diff --git a/packages/discord-types/enums/index.ts b/packages/discord-types/enums/index.ts
index efa3f03e9..6a1b60c4a 100644
--- a/packages/discord-types/enums/index.ts
+++ b/packages/discord-types/enums/index.ts
@@ -5,6 +5,7 @@ export * from "./commands";
 export * from "./guild";
 export * from "./messages";
 export * from "./misc";
+export * from "./quests";
 export * from "./settings";
 export * from "./user";
 export * from "./voice";
diff --git a/packages/discord-types/enums/quests.ts b/packages/discord-types/enums/quests.ts
new file mode 100644
index 000000000..8de76b3a8
--- /dev/null
+++ b/packages/discord-types/enums/quests.ts
@@ -0,0 +1,129 @@
+export const enum QuestRewardType {
+    REWARD_CODE = 1,
+    IN_GAME = 2,
+    COLLECTIBLE = 3,
+    VIRTUAL_CURRENCY = 4,
+    FRACTIONAL_PREMIUM = 5,
+}
+
+export const enum QuestPlatform {
+    CROSS_PLATFORM = 0,
+    XBOX = 1,
+    PLAYSTATION = 2,
+    SWITCH = 3,
+    PC = 4,
+}
+
+export const enum QuestTargetedContent {
+    GIFT_INVENTORY_SETTINGS_BADGE = 0,
+    QUEST_BAR = 1,
+    QUEST_INVENTORY_CARD = 2,
+    QUESTS_EMBED = 3,
+    ACTIVITY_PANEL = 4,
+    QUEST_LIVE_STREAM = 5,
+    MEMBERS_LIST = 6,
+    QUEST_BADGE = 7,
+    GIFT_INVENTORY_FOR_YOU = 8,
+    GIFT_INVENTORY_OTHER = 9,
+    QUEST_BAR_V2 = 10,
+    QUEST_HOME_DESKTOP = 11,
+    QUEST_HOME_MOBILE = 12,
+    QUEST_BAR_MOBILE = 13,
+    THIRD_PARTY_APP = 14,
+    QUEST_BOTTOM_SHEET = 15,
+    QUEST_EMBED_MOBILE = 16,
+    QUEST_HOME_MOVE_CALLOUT = 17,
+    DISCOVERY_SIDEBAR = 18,
+    QUEST_SHARE_LINK = 19,
+    CONNECTIONS_MODAL = 20,
+    DISCOVERY_COMPASS = 21,
+    TROPHY_CASE_CARD = 22,
+    VIDEO_MODAL = 23,
+    VIDEO_MODAL_END_CARD = 24,
+    REWARD_MODAL = 25,
+    EXCLUDED_QUEST_EMBED = 26,
+    VIDEO_MODAL_MOBILE = 27,
+    ORBS_ANNOUNCEMENT_MODAL = 28,
+    ORBS_BALANCE_MENU = 29,
+    QUEST_ENROLLMENT_BLOCKED_BOTTOM_SHEET = 30,
+    ORBS_SHOP_HERO_CTA = 31,
+    QUEST_ENROLLMENT_BLOCKED_MODAL = 32,
+    INTERNAL_PREVIEW_TOOL = 33,
+    ORBS_REHEAT_COACHMARK_CTA = 34,
+    INVALID_QUEST_EMBED = 35,
+    NOT_SHAREABLE_QUEST_EMBED = 36,
+    QUEST_HOME_MOVE_CALLOUT_DISCOVER = 37,
+    SPONSORED_QUEST_SHEET = 38,
+    MOBILE_ORBS_ONBOARDING_DC = 39,
+    RUNNING_ACTIVITY = 40,
+    VIDEO_MODAL_PRIMARY_CTA = 41,
+    QUEST_HOME_TAKEOVER = 42,
+    USER_PROFILE_ACTIVITY = 43,
+}
+
+export const enum QuestPlacement {
+    INVALID_PLACEMENT = 0,
+    DESKTOP_ACCOUNT_PANEL_AREA = 1,
+    MOBILE_HOME_DOCK_AREA = 2,
+}
+
+export const enum QuestRewardAssignmentMethod {
+    ALL = 1,
+    TIERED = 2,
+}
+
+export const enum QuestRewardExpirationMode {
+    NORMAL = 1,
+    PREMIUM_EXTENSION = 2,
+    PREMIUM_PERMANENT = 3,
+}
+
+export const enum QuestFeature {
+    POST_ENROLLMENT_CTA = 1,
+    QUEST_BAR_V2 = 3,
+    EXCLUDE_RUSSIA = 5,
+    IN_HOUSE_CONSOLE_QUEST = 6,
+    MOBILE_CONSOLE_QUEST = 7,
+    START_QUEST_CTA = 8,
+    REWARD_HIGHLIGHTING = 9,
+    FRACTIONS_QUEST = 10,
+    ADDITIONAL_REDEMPTION_INSTRUCTIONS = 11,
+    PACING_V2 = 12,
+    DISMISSAL_SURVEY = 13,
+    MOBILE_QUEST_DOCK = 14,
+    QUESTS_CDN = 15,
+    PACING_CONTROLLER = 16,
+    QUEST_HOME_FORCE_STATIC_IMAGE = 17,
+    VIDEO_QUEST_FORCE_HLS_VIDEO = 18,
+    VIDEO_QUEST_FORCE_END_CARD_CTA_SWAP = 19,
+    EXPERIMENTAL_TARGETING_TRAITS = 20,
+    DO_NOT_DISPLAY = 21,
+    EXTERNAL_DIALOG = 22,
+    MOBILE_ONLY_QUEST_PUSH_TO_MOBILE = 23,
+    MANUAL_HEARTBEAT_INITIALIZATION = 24,
+    CLOUD_GAMING_ACTIVITY = 25,
+    NON_GAMING_PLAY_QUEST = 26,
+    ACTIVITY_QUEST_AUTO_ENROLLMENT = 27,
+    PACKAGE_ACTION_ADVENTURE = 28,
+    PACKAGE_RPG_MMO = 29,
+    PACKAGE_RACING_SPORTS = 30,
+    PACKAGE_SANDBOX_CREATIVE = 31,
+    PACKAGE_FAMILY_FRIENDLY = 32,
+    PACKAGE_HOLIDAY_SEASON = 33,
+    PACKAGE_NEW_YEARS = 34,
+}
+
+export const enum QuestDismissibleContentFlags {
+    GIFT_INVENTORY_SETTINGS_BADGE = 1,
+    QUEST_BAR = 2,
+    ACTIVITY_PANEL = 4,
+    QUEST_LIVE_STREAM = 8,
+}
+
+export const enum QuestUserQuestStatus {
+    UNACCEPTED = 0,
+    ACCEPTED = 1,
+    IN_PROGRESS = 2,
+    COMPLETED = 3,
+    CLAIMED = 4,
+}
diff --git a/packages/discord-types/src/stores/QuestStore.d.ts b/packages/discord-types/src/stores/QuestStore.d.ts
new file mode 100644
index 000000000..2948c44d3
--- /dev/null
+++ b/packages/discord-types/src/stores/QuestStore.d.ts
@@ -0,0 +1,992 @@
+import {
+    QuestDismissibleContentFlags,
+    QuestFeature,
+    QuestPlatform,
+    QuestPlacement,
+    QuestRewardAssignmentMethod,
+    QuestRewardExpirationMode,
+    QuestRewardType,
+    QuestTargetedContent,
+} from "../../enums";
+import { FluxStore } from "./FluxStore";
+
+/** Task types for quest completion requirements. */
+export const enum QuestTaskType {
+    STREAM_ON_DESKTOP = "STREAM_ON_DESKTOP",
+    PLAY_ON_DESKTOP = "PLAY_ON_DESKTOP",
+    PLAY_ON_XBOX = "PLAY_ON_XBOX",
+    PLAY_ON_PLAYSTATION = "PLAY_ON_PLAYSTATION",
+    PLAY_ON_DESKTOP_V2 = "PLAY_ON_DESKTOP_V2",
+    WATCH_VIDEO = "WATCH_VIDEO",
+    WATCH_VIDEO_ON_MOBILE = "WATCH_VIDEO_ON_MOBILE",
+    PLAY_ACTIVITY = "PLAY_ACTIVITY",
+    ACHIEVEMENT_IN_GAME = "ACHIEVEMENT_IN_GAME",
+    ACHIEVEMENT_IN_ACTIVITY = "ACHIEVEMENT_IN_ACTIVITY",
+}
+
+/** Operator for combining multiple quest tasks. */
+export const enum QuestTaskJoinOperator {
+    /** All tasks must be completed. */
+    AND = "and",
+    /** Any one task must be completed. */
+    OR = "or",
+}
+
+/** Error types returned from quest API operations. */
+export const enum QuestErrorType {
+    GENERIC = "generic",
+    RATE_LIMITED = "rate_limited",
+}
+
+/** Platform mode for quest task selection. */
+export const enum QuestPlatformMode {
+    DESKTOP = "desktop",
+    CONSOLE = "console",
+    /** User must select a platform. */
+    SELECT = "select",
+}
+
+/** Reasons for pausing quest video playback. */
+export const enum QuestVideoPauseReason {
+    PAUSE_BUTTON = "PAUSE_BUTTON",
+    LOST_FOCUS = "LOST_FOCUS",
+    MODAL_CLOSED = "MODAL_CLOSED",
+}
+
+/** Placement types for quest home takeover. */
+export const enum QuestHomePlacement {
+    QUEST_HOME_BANNER = "quest_home_banner",
+}
+
+/** Client platforms for quest targeting. */
+export const enum QuestClientPlatform {
+    IOS = "ios",
+    ANDROID = "android",
+    DESKTOP = "desktop",
+    WEB = "web",
+    WEB_MOBILE = "web_mobile",
+    WEB_TABLET = "web_tablet",
+}
+
+/** Quest sharing policy. */
+export const enum QuestSharePolicy {
+    SHAREABLE_EVERYWHERE = "shareable_everywhere",
+    NOT_SHAREABLE = "not_shareable",
+}
+
+/** Quest bar UI states. */
+export const enum QuestBarState {
+    COLLAPSED = "collapsed",
+    EXPANDED = "expanded",
+    CLOSED = "closed",
+    SOFT_DISMISSED = "soft-dismissed",
+    RESET_TO_PREVIOUS = "reset-to-previous",
+}
+
+/** Reasons for quest embed fallback display. */
+export const enum QuestEmbedFallbackReason {
+    EXCLUDED_QUEST = "excluded_quest",
+    UNKNOWN_QUEST = "unknown_quest",
+    NOT_SHAREABLE_QUEST = "not_shareable_quest",
+}
+
+/** Console platform selection for quest tasks. */
+export const enum QuestConsolePlatformSelection {
+    CONSOLE = "CONSOLE",
+    DESKTOP = "DESKTOP",
+}
+
+/** Call-to-action types for quest UI interactions. */
+export const enum QuestContentCTA {
+    LEARN_MORE = "LEARN_MORE",
+    SHOW_REWARD = "SHOW_REWARD",
+    CLAIM_REWARD = "CLAIM_REWARD",
+    GET_REWARD_CODE = "GET_REWARD_CODE",
+    COPY_REWARD_CODE = "COPY_REWARD_CODE",
+    ACCEPT_QUEST = "ACCEPT_QUEST",
+    COPY_QUEST_URL = "COPY_QUEST_URL",
+    MOBILE_SHARESHEET = "MOBILE_SHARESHEET",
+    TRACK_PROGRESS = "TRACK_PROGRESS",
+    CONNECT_CONSOLE = "CONNECT_CONSOLE",
+    CONNECT_CONSOLE_LINK = "CONNECT_CONSOLE_LINK",
+    VIEW_CONSOLE_CONNECTIONS = "VIEW_CONSOLE_CONNECTION",
+    VIEW_CONSOLE_CONNECTIONS_LINK = "VIEW_CONSOLE_CONNECTIONS_LINK",
+    VIEW_REQUIREMENTS = "VIEW_REQUIREMENTS",
+    SELECT_CONSOLE_PLATFORM = "SELECT_CONSOLE_PLATFORM",
+    SELECT_DESKTOP_PLATFORM = "SELECT_DESKTOP_PLATFORM",
+    DESELECT_PLATFORM = "DESELECT_PLATFORM",
+    DEFIBRILLATOR = "DEFIBRILLATOR",
+    DEFIBRILLATOR_RECONNECT_CONSOLE = "DEFIBRILLATOR_RECONNECT_CONSOLE",
+    OPEN_DISCLOSURE = "OPEN_DISCLOSURE",
+    WATCH_STREAM = "WATCH_STREAM",
+    WATCH_STREAM_CONFIRM = "WATCH_STREAM_CONFIRM",
+    REWARD_LEARN_MORE = "REWARD_LEARN_MORE",
+    OPEN_GAME_LINK = "OPEN_GAME_LINK",
+    OPEN_CONTEXT_MENU = "OPEN_CONTEXT_MENU",
+    OPEN_QUEST_HOME = "OPEN_QUEST_HOME",
+    QUEST_BAR_COPY_LINK = "QUEST_BAR.COPY_LINK",
+    CONTEXT_MENU_COPY_LINK = "CONTEXT_MENU.COPY_LINK",
+    REWARD_MODAL_COPY_LINK = "REWARD_MODAL.COPY_LINK",
+    CONTEXT_MENU_HIDE_CONTENT = "CONTEXT_MENU.HIDE_CONTENT",
+    CONTEXT_MENU_OPEN_GAME_LINK = "CONTEXT_MENU.OPEN_GAME_LINK",
+    CONTEXT_MENU_OPEN_DISCLOSURE = "CONTEXT_MENU.OPEN_DISCLOSURE",
+    CONTEXT_MENU_LEARN_MORE = "CONTEXT_MENU.LEARN_MORE",
+    HOW_TO_HELP_ARTICLE_XBOX = "HOW_TO_HELP_ARTICLE_XBOX",
+    HOW_TO_HELP_ARTICLE_PLAYSTATION = "HOW_TO_HELP_ARTICLE_PLAYSTATION",
+    VIEW_QUESTS = "VIEW_QUESTS",
+    EXPAND = "EXPAND",
+    COLLAPSE = "COLLAPSE",
+    START_QUEST = "START_QUEST",
+    TRANSCRIPT_ENABLE = "TRANSCRIPT_ENABLE",
+    TRANSCRIPT_DISABLE = "TRANSCRIPT_DISABLE",
+    CLOSED_CAPTIONING_ENABLE = "CLOSED_CAPTIONING_ENABLE",
+    CLOSED_CAPTIONING_DISABLE = "CLOSED_CAPTIONING_DISABLE",
+    SEEK_BACKWARD = "SEEK_BACKWARD",
+    SEEK_FORWARD = "SEEK_FORWARD",
+    WATCH_VIDEO = "WATCH_VIDEO",
+    QUEST_BAR_VIDEO_QUEST_PREVIEW = "QUEST_BAR_VIDEO_QUEST_PREVIEW",
+    QUEST_HOME_TILE_HEADER_WATCH_VIDEO = "QUEST_HOME_TILE_HEADER_WATCH_VIDEO",
+    REDEEM_REWARD = "REDEEM_REWARD",
+    VISIT_REDEMPTION_LINK = "VISIT_REDEMPTION_LINK",
+    SPONSORED_QUEST_SHEET = "SPONSORED_QUEST_SHEET",
+    GAME_PROFILE_OPEN = "GAME_PROFILE_OPEN",
+    GAME_STORE_OPEN_GAME_LINK = "GAME_STORE_OPEN_GAME_LINK",
+    MOBILE_ORBS_ONBOARDING_DC = "MOBILE_ORBS_ONBOARDING_DC",
+}
+
+/** Sort methods for quest list display. */
+export const enum QuestSortMethod {
+    /** Default sorting by relevance. */
+    SUGGESTED = "suggested",
+    MOST_RECENT = "most_recent",
+    EXPIRING_SOON = "expiring_soon",
+    RECENTLY_ENROLLED = "recently_enrolled",
+}
+
+/** Filter types for quest tasks. */
+export const enum QuestTaskFilter {
+    VIDEO = "task_video",
+    PLAY = "task_play",
+}
+
+/** Filter types for quest rewards. */
+export const enum QuestRewardFilter {
+    VIRTUAL_CURRENCY = "reward_virtual_currency",
+    COLLECTIBLE = "reward_collectible",
+    IN_GAME = "reward_in_game",
+}
+
+/** Video playback progress states. */
+export const enum QuestVideoProgressState {
+    UNKNOWN = "UNKNOWN",
+    NOT_STARTED = "NOT_STARTED",
+    IN_PROGRESS = "IN_PROGRESS",
+    COMPLETED = "COMPLETED",
+}
+
+/** Transcript fetch operation states. */
+export const enum QuestTranscriptFetchStatus {
+    NONE = "NONE",
+    FETCHING = "FETCHING",
+    SUCCESS = "SUCCESS",
+    FAILURE = "FAILURE",
+}
+
+/** Result types from quest enrollment attempts. */
+export const enum QuestEnrollmentResult {
+    SUCCESS = "success",
+    CAPTCHA_FAILED = "captcha_failed",
+    UNKNOWN_ERROR = "unknown_error",
+    /** Enrollment already in progress. */
+    PREVIOUS_IN_FLIGHT_REQUEST = "previous_in_flight_request",
+}
+
+/** Reasons why a quest embed was not found. */
+export const enum QuestEmbedNotFoundReason {
+    NOT_FOUND = "not_found",
+    MOBILE_ONLY = "mobile_only",
+}
+
+/** Tab filter types for quest list. */
+export const enum QuestFilterTab {
+    ALL = "all",
+    CLAIMED = "claimed",
+    /** Internal preview tool only. */
+    PREVIEW_TOOL = "preview_tool",
+}
+
+/** URL parameter types for quest filtering. */
+export const enum QuestFilterParamType {
+    TAB = "tab",
+    QUEST_ID = "quest_id",
+    SORT = "sort",
+    FILTER = "filter",
+}
+
+/** Location identifiers for quest-related UI and tracking. */
+export const enum QuestLocation {
+    ACTIVITY_PANEL = "quests_bar_activity_panel",
+    QUESTS_MANAGER = "quests_manager",
+    QUESTS_CONSOLE_OPTIMISTIC_UPDATES_MANAGER = "quests_console_optimistic_updates_manager",
+    USER_SETTINGS_GIFT_INVENTORY = "user_settings_gift_inventory",
+    USER_SETTINGS_SEARCH_GIFT_INVENTORY = "user_settings_search_gift_inventory",
+    USE_QUESTS = "use_quests",
+    STREAM_SOURCE_SELECT = "stream_source_select",
+    MEMBERS_LIST = "members_list",
+    QUESTS_BAR = "quests_bar",
+    QUESTS_BAR_MOBILE = "quests_bar_mobile",
+    REWARD_CODE_MODAL = "reward_code_modal",
+    INGAME_REWARD_MODAL = "ingame_reward_modal",
+    COLLECTIBLE_REWARD_MODAL = "collectible_reward_modal",
+    ORBS_REWARD_MODAL = "orbs_reward_modal",
+    QUEST_PREVIEW_TOOL = "quest_preview_tool",
+    QUEST_PREVIEW_TOOL_2 = "quest_preview_tool_2",
+    QUESTS_MINOR_REWARD_CAPPING_CONFIG = "QUESTS_MINOR_REWARD_CAPPING_CONFIG",
+    QUESTS_CARD = "quests_card",
+    QUESTS_STORE = "quests_store",
+    QUEST_CHANNEL_CALL_HEADER = "quests_channel_call_header",
+    QUEST_HOME_DESKTOP = "quest_home_desktop",
+    QUEST_HOME_MOBILE = "quest_home_mobile",
+    QUEST_PROGRESS_BAR = "quest_progress_bar",
+    EMBED_MOBILE = "embed_mobile",
+    EMBED_DESKTOP = "embed_desktop",
+    QUEST_CONTEXT_MENU = "context_menu",
+    CODED_LINK = "coded_link",
+    QUEST_DISCLOSURE_MODAL = "quest_disclosure_modal",
+    DISCOVERY_SIDEBAR = "discovery_sidebar",
+    DISCOVERY_COMPASS = "discovery_compass",
+    BADGE = "badge",
+    COLLECTIBLES_SHOP_HEADER_BAR = "collectibles_shop_header_bar",
+    ORBS_ANNOUNCEMENT_MODAL = "orbs_announcement_modal",
+    CONFLICT_CHECKS = "conflict_checks",
+    VIDEO_MODAL = "video_modal",
+    VIDEO_MODAL_MOBILE = "video_modal_mobile",
+    GAME_WIDGETS_POPOVER = "game_widgets_popover",
+    PRIVATE_CHANNELS_LIST = "private_channels_list",
+    INTERNAL_TOOLING = "internal_tooling",
+    QUEST_HOME_MOVED_CALLOUT = "quest_home_moved_callout",
+    IN_APP_NAVIGATION = "in_app_navigation",
+    NAVIGATE_TO_QUEST_HOME_UTIL = "navigate_to_quest_home_util",
+    QUEST_DEEP_LINK_UTIL = "quest_deep_link_util",
+    YOU_TAB_PROFILE_HEADER = "you_tab_profile_header",
+}
+
+/** Video asset for quest tasks. */
+export interface QuestVideoAsset {
+    /** Video URL path relative to CDN. */
+    url: string;
+    /** Width in pixels. */
+    width: number;
+    /** Height in pixels. */
+    height: number;
+    /** Thumbnail image URL. */
+    thumbnail: string;
+    /** VTT caption file URL. */
+    caption?: string;
+    /** Transcript file URL. */
+    transcript?: string;
+}
+
+/** Video assets for video-based quest tasks. */
+export interface QuestTaskVideoAssets {
+    /** Full resolution video (1080p). */
+    video: QuestVideoAsset;
+    /** Low resolution video (720p). */
+    videoLowRes?: QuestVideoAsset;
+    /** HLS streaming video (.m3u8). */
+    videoHls?: QuestVideoAsset;
+}
+
+/** Display messages for video-based quest tasks. */
+export interface QuestTaskVideoMessages {
+    videoTitle: string;
+}
+
+/** Display messages for achievement-based quest tasks. */
+export interface QuestTaskAchievementMessages {
+    taskTitle: string;
+    taskDescription: string;
+}
+
+/** Application reference in quest tasks. */
+export interface QuestTaskApplication {
+    /** Discord application ID. */
+    id: string;
+}
+
+/** Base properties shared by all quest task types. */
+interface QuestTaskBase {
+    /** Target value to complete (seconds for play tasks, seconds for video tasks). */
+    target: number;
+}
+
+/** Play on desktop quest task. */
+export interface QuestTaskPlayOnDesktop extends QuestTaskBase {
+    type: QuestTaskType.PLAY_ON_DESKTOP;
+    /** Applications that qualify for completion. */
+    applications: QuestTaskApplication[];
+}
+
+/** Play on desktop v2 quest task with enhanced tracking. */
+export interface QuestTaskPlayOnDesktopV2 extends QuestTaskBase {
+    type: QuestTaskType.PLAY_ON_DESKTOP_V2;
+    applications: QuestTaskApplication[];
+}
+
+/** Stream on desktop quest task. */
+export interface QuestTaskStreamOnDesktop extends QuestTaskBase {
+    type: QuestTaskType.STREAM_ON_DESKTOP;
+    applications: QuestTaskApplication[];
+}
+
+/** Play Discord activity quest task. */
+export interface QuestTaskPlayActivity extends QuestTaskBase {
+    type: QuestTaskType.PLAY_ACTIVITY;
+    applications: QuestTaskApplication[];
+}
+
+/** Play on Xbox quest task. */
+export interface QuestTaskPlayOnXbox extends QuestTaskBase {
+    type: QuestTaskType.PLAY_ON_XBOX;
+    /** Xbox title IDs. */
+    externalIds: string[];
+    applications: QuestTaskApplication[];
+}
+
+/** Play on PlayStation quest task. */
+export interface QuestTaskPlayOnPlayStation extends QuestTaskBase {
+    type: QuestTaskType.PLAY_ON_PLAYSTATION;
+    /** PlayStation title IDs (e.g., "PPSA09016_00"). */
+    externalIds: string[];
+    applications: QuestTaskApplication[];
+}
+
+/** Watch video quest task for desktop. */
+export interface QuestTaskWatchVideo extends QuestTaskBase {
+    type: QuestTaskType.WATCH_VIDEO;
+    assets: QuestTaskVideoAssets;
+    messages: QuestTaskVideoMessages;
+}
+
+/** Watch video quest task for mobile. */
+export interface QuestTaskWatchVideoOnMobile extends QuestTaskBase {
+    type: QuestTaskType.WATCH_VIDEO_ON_MOBILE;
+    assets: QuestTaskVideoAssets;
+    messages: QuestTaskVideoMessages;
+}
+
+/** Achievement in game quest task. */
+export interface QuestTaskAchievementInGame extends QuestTaskBase {
+    type: QuestTaskType.ACHIEVEMENT_IN_GAME;
+    /** Event name dispatched when achievement is unlocked. */
+    eventName: string;
+    messages: QuestTaskAchievementMessages;
+    applications: QuestTaskApplication[];
+}
+
+/** Achievement in Discord activity quest task. */
+export interface QuestTaskAchievementInActivity extends QuestTaskBase {
+    type: QuestTaskType.ACHIEVEMENT_IN_ACTIVITY;
+    eventName: string;
+    messages: QuestTaskAchievementMessages;
+    applications: QuestTaskApplication[];
+}
+
+/** Union of all quest task types. */
+export type QuestTask =
+    | QuestTaskPlayOnDesktop
+    | QuestTaskPlayOnDesktopV2
+    | QuestTaskStreamOnDesktop
+    | QuestTaskPlayActivity
+    | QuestTaskPlayOnXbox
+    | QuestTaskPlayOnPlayStation
+    | QuestTaskWatchVideo
+    | QuestTaskWatchVideoOnMobile
+    | QuestTaskAchievementInGame
+    | QuestTaskAchievementInActivity;
+
+/** Task configuration for a quest. */
+export interface QuestTaskConfig {
+    /** Map of task type to task configuration. */
+    tasks: Partial<Record<QuestTaskType, QuestTask>>;
+    /** How tasks are combined. Default is "or" (any task completes the quest). */
+    joinOperator: QuestTaskJoinOperator;
+}
+
+/** Display messages for quest rewards. */
+export interface QuestRewardMessages {
+    /** Redemption instructions keyed by {@link QuestPlatform}. */
+    redemptionInstructionsByPlatform: Partial<Record<QuestPlatform, string>>;
+    /** Reward display name (e.g., "700 Orbs"). */
+    name: string;
+    /** Name with article (e.g., "700 Orbs"). */
+    nameWithArticle: string;
+}
+
+/** Base properties shared by all quest reward types. */
+interface QuestRewardBase {
+    /** SKU ID for the reward entitlement. */
+    skuId: string;
+    messages: QuestRewardMessages;
+}
+
+/** Reward code reward type. */
+export interface QuestRewardCode extends QuestRewardBase {
+    type: QuestRewardType.REWARD_CODE;
+    /** Reward image URL. */
+    asset?: string;
+    /** Reward video URL. */
+    assetVideo?: string | null;
+    /** Approximate codes remaining, null if unlimited. */
+    approximateCount?: number | null;
+    /** External URL to redeem the code. */
+    redemptionLink?: string | null;
+}
+
+/** In-game reward type. */
+export interface QuestRewardInGame extends QuestRewardBase {
+    type: QuestRewardType.IN_GAME;
+    asset?: string;
+    assetVideo?: string | null;
+}
+
+/** Collectible avatar decoration reward type. */
+export interface QuestRewardCollectible extends QuestRewardBase {
+    type: QuestRewardType.COLLECTIBLE;
+    asset?: string;
+    assetVideo?: string | null;
+    /** ISO timestamp when collectible expires. */
+    expiresAt?: string;
+    /** Expiration behavior. */
+    expirationMode?: QuestRewardExpirationMode;
+    /** Extended expiration for Nitro users. */
+    expiresAtPremium?: string | null;
+}
+
+/** Virtual currency (Orbs) reward type. */
+export interface QuestRewardVirtualCurrency extends QuestRewardBase {
+    type: QuestRewardType.VIRTUAL_CURRENCY;
+    /** Number of orbs awarded. */
+    orbQuantity: number;
+}
+
+/** Fractional Nitro premium time reward type. */
+export interface QuestRewardFractionalPremium extends QuestRewardBase {
+    type: QuestRewardType.FRACTIONAL_PREMIUM;
+    asset?: string;
+    assetVideo?: string | null;
+    /** Premium time quantity. */
+    quantity: number;
+}
+
+/** Union of all quest reward types. */
+export type QuestReward =
+    | QuestRewardCode
+    | QuestRewardInGame
+    | QuestRewardCollectible
+    | QuestRewardVirtualCurrency
+    | QuestRewardFractionalPremium;
+
+/** Rewards configuration for a quest. */
+export interface QuestRewardsConfig {
+    /** How rewards are distributed to users. */
+    assignmentMethod: QuestRewardAssignmentMethod;
+    /** Available reward options. */
+    rewards: QuestReward[];
+    /** ISO timestamp when rewards can no longer be claimed. */
+    rewardsExpireAt: string;
+    /** Platforms where rewards can be claimed. */
+    platforms: QuestPlatform[];
+}
+
+/** Visual assets for quest display. */
+export interface QuestAssets {
+    /** Hero banner image URL. */
+    hero: string;
+    /** Hero banner video URL. */
+    heroVideo: string | null;
+    /** Quest bar hero image URL. */
+    questBarHero: string;
+    /** Quest bar hero video URL. */
+    questBarHeroVideo: string | null;
+    /** Game tile image URL. */
+    gameTile: string;
+    /** Game logotype image URL. */
+    logotype: string;
+    /** Light theme game tile URL. */
+    gameTileLight: string;
+    /** Dark theme game tile URL. */
+    gameTileDark: string;
+    /** Light theme logotype URL. */
+    logotypeLight: string;
+    /** Dark theme logotype URL. */
+    logotypeDark: string;
+}
+
+/** Color scheme for quest UI theming. */
+export interface QuestColors {
+    /** Primary hex color (e.g., "#4752C4"). */
+    primary: string;
+    /** Secondary hex color. */
+    secondary: string;
+}
+
+/** Display messages for quest UI. */
+export interface QuestMessages {
+    /** Quest display name. */
+    questName: string;
+    /** Game title. */
+    gameTitle: string;
+    /** Game publisher name. */
+    gamePublisher: string;
+}
+
+/** Application reference in quest configuration. */
+export interface QuestApplication {
+    /** Discord application ID. */
+    id: string;
+    /** Application display name. */
+    name: string;
+}
+
+/** Platform-specific app store configuration. */
+export interface QuestCtaPlatformConfig {
+    /** Android package name. */
+    androidAppId?: string;
+    /** iOS App Store ID. */
+    iosAppId?: string;
+}
+
+/** Call-to-action button configuration. */
+export interface QuestCtaConfig {
+    /** CTA destination URL. */
+    link: string;
+    /** Button label text. */
+    buttonLabel: string;
+    /** Optional subtitle text. */
+    subtitle?: string;
+    /** Android-specific configuration. */
+    android?: QuestCtaPlatformConfig;
+    /** iOS-specific configuration. */
+    ios?: QuestCtaPlatformConfig;
+}
+
+/** Co-sponsor branding metadata for partnered quests. */
+export interface QuestCosponsorMetadata {
+    /** Co-sponsor company name. */
+    name: string;
+    /** Logotype image URL. */
+    logotype: string;
+    /** Redemption instructions text. */
+    redemptionInstructions: string;
+    /** Light theme logotype URL. */
+    logotypeLight: string;
+    /** Dark theme logotype URL. */
+    logotypeDark: string;
+}
+
+/** Complete quest configuration. */
+export interface QuestConfig {
+    /** Quest ID (snowflake). */
+    id: string;
+    /** Configuration version number. */
+    configVersion: number;
+    /** ISO timestamp when quest becomes available. */
+    startsAt: string;
+    /** ISO timestamp when quest expires. */
+    expiresAt: string;
+    /** Enabled feature flags for this quest. */
+    features: QuestFeature[];
+    /** Associated Discord application. */
+    application: QuestApplication;
+    /** Visual assets. */
+    assets: QuestAssets;
+    /** Color scheme. */
+    colors: QuestColors;
+    /** Display messages. */
+    messages: QuestMessages;
+    /** Task requirements configuration. */
+    taskConfigV2: QuestTaskConfig;
+    /** Rewards configuration. */
+    rewardsConfig: QuestRewardsConfig;
+    /** Optional co-sponsor branding. */
+    cosponsorMetadata?: QuestCosponsorMetadata;
+    /** Sharing policy. */
+    sharePolicy: QuestSharePolicy;
+    /** Call-to-action configuration. */
+    ctaConfig: QuestCtaConfig;
+}
+
+/** Heartbeat tracking for quest progress. Updated via QUESTS_SEND_HEARTBEAT_SUCCESS. */
+export interface QuestProgressHeartbeat {
+    /** ISO timestamp of last heartbeat. */
+    lastBeatAt: string;
+    /** ISO timestamp when heartbeat tracking expires. */
+    expiresAt: string | null;
+}
+
+/** Progress tracking for a single quest task. Updated via QUESTS_USER_STATUS_UPDATE. */
+export interface QuestTaskProgress {
+    /** Task event name matching {@link QuestTaskType}. */
+    eventName: string;
+    /** Current progress value (seconds played/watched). */
+    value: number;
+    /** ISO timestamp of last progress update. */
+    updatedAt: string;
+    /** ISO timestamp when task was completed, null if incomplete. */
+    completedAt: string | null;
+    /** Heartbeat tracking for active progress. */
+    heartbeat: QuestProgressHeartbeat | null;
+}
+
+/** User's status for a specific quest. Updated via QUESTS_USER_STATUS_UPDATE. */
+export interface QuestUserStatus {
+    /** User ID (snowflake). */
+    userId: string;
+    /** Quest ID (snowflake). */
+    questId: string;
+    /** ISO timestamp when user enrolled. */
+    enrolledAt: string;
+    /** ISO timestamp when quest was completed, null if incomplete. */
+    completedAt: string | null;
+    /** ISO timestamp when reward was claimed, null if unclaimed. */
+    claimedAt: string | null;
+    /** Claimed reward tier for tiered rewards, null otherwise. */
+    claimedTier: number | null;
+    /** ISO timestamp of last stream heartbeat. */
+    lastStreamHeartbeatAt: string | null;
+    /** Total stream progress in seconds. */
+    streamProgressSeconds: number;
+    /** Bitmask of dismissed UI content. */
+    dismissedQuestContent: QuestDismissibleContentFlags;
+    /** Progress by task event name. */
+    progress: Record<string, QuestTaskProgress>;
+}
+
+/** Quest object with configuration and user status. */
+export interface Quest {
+    /** Quest ID (snowflake). */
+    id: string;
+    /** Whether this is a preview/test quest. */
+    preview: boolean;
+    /** Quest configuration. */
+    config: QuestConfig;
+    /** User's status, null if not enrolled. */
+    userStatus: QuestUserStatus | null;
+    /** UI placements where this quest should appear. */
+    targetedContent: QuestTargetedContent[];
+}
+
+/** Reference to an excluded quest. */
+export interface ExcludedQuest {
+    /** Excluded quest ID. */
+    id: string;
+    /** Replacement quest ID to show instead. */
+    replacementId: string;
+}
+
+/** Ad tracking identifiers for quest delivery. */
+export interface QuestAdIdentifiers {
+    ad_id?: string;
+    adset_id?: string;
+    ad_set_id?: string;
+    campaign_id?: string;
+    creative_id?: string;
+    creative_type?: string;
+    /** Request ID from ad decision. */
+    decision_id?: string;
+    /** Whether quest was served via targeting. */
+    is_targeted: boolean;
+}
+
+/** Quest delivery information for a placement. */
+export interface QuestDeliveryInfo {
+    /** Quest to deliver. */
+    quest: Quest;
+    /** Ad tracking data. */
+    adDecisionData: QuestAdIdentifiers;
+    /** Ad context for analytics. */
+    adContext: string | null;
+    /** Raw metadata for ad attribution. */
+    metadataRaw: string | null;
+    /** Sealed metadata for verification. */
+    metadataSealed: string | null;
+}
+
+/** Ad decision cache entry for quest delivery. */
+export interface QuestAdDecision {
+    /** Quest ID or null if no quest to deliver. */
+    questId: string | null;
+    /** Unix timestamp when decision was fetched. */
+    fetchedAt: number;
+    /** Cache TTL in milliseconds. Default 6 hours. */
+    ttlMillis: number;
+    /** Ad tracking data. */
+    adDecisionData: QuestAdIdentifiers;
+    adContext: string | null;
+    metadataRaw: string | null;
+    metadataSealed: string | null;
+}
+
+/** Stream heartbeat failure tracking. Updated via QUESTS_SEND_HEARTBEAT_FAILURE. */
+export interface StreamHeartbeatFailure {
+    /** Quest ID. */
+    questId: string;
+    /** Stream identifier. */
+    streamKey: string;
+    /** Unix timestamp of first failure. */
+    firstFailedAt: number;
+}
+
+/** Asset for quest home takeover display. */
+export interface QuestHomeTakeoverAsset {
+    /** Accessibility text. */
+    altText: string;
+    /** Asset type identifier. */
+    assetType: string;
+    /** Asset URL. */
+    url: string;
+}
+
+/** Sponsor CTA for quest home takeover. */
+export interface QuestHomeTakeoverCtaSponsor {
+    ctaType: string;
+    title: string;
+    /** Sponsor destination URL. */
+    url: string;
+}
+
+/** Quest CTA for quest home takeover. */
+export interface QuestHomeTakeoverCtaQuest {
+    ctaType: string;
+    title: string;
+    /** Quest ID to navigate to. */
+    questId: string;
+}
+
+/** Quest home takeover banner configuration. */
+export interface QuestHomeTakeoverConfig {
+    placementType: QuestHomePlacement;
+    /** Campaign identifier. */
+    campaignId: string;
+    labelTitle: string;
+    labelSubtitle: string;
+    /** Hero banner asset. */
+    assetHeroImage: QuestHomeTakeoverAsset;
+    /** Sponsor logo asset. */
+    assetSponsorImage: QuestHomeTakeoverAsset;
+    /** Sponsor link CTA. */
+    ctaSponsorUrl: QuestHomeTakeoverCtaSponsor;
+    /** Quest navigation CTAs. */
+    ctaQuests: QuestHomeTakeoverCtaQuest[];
+    /** ISO timestamp when takeover starts. */
+    startsAt: string;
+    /** ISO timestamp when takeover expires. */
+    expiresAt: string;
+}
+
+/** Claimed reward code details. Returned by QUESTS_FETCH_REWARD_CODE_SUCCESS. */
+export interface QuestClaimedRewardCode {
+    userId: string;
+    questId: string;
+    /** The reward code string. */
+    code: string;
+    /** Platform the code is for. */
+    platform: QuestPlatform;
+    /** ISO timestamp when claimed. */
+    claimedAt: string;
+    /** Reward tier if applicable. */
+    tier: number | null;
+}
+
+/** Entitlement item from reward claim. */
+export interface QuestEntitlementItem {
+    /** SKU ID. */
+    skuId: string;
+    /** Metadata containing reward details. */
+    tenantMetadata: {
+        questRewards?: {
+            reward: {
+                tag: QuestRewardType;
+                rewardCode?: QuestClaimedRewardCode;
+            };
+        };
+    } | null;
+    /** Whether entitlement has been consumed. */
+    consumed: boolean;
+}
+
+/** Error from reward claim operation. */
+export interface QuestEntitlementError {
+    code?: string;
+    message?: string;
+}
+
+/** Response from claiming quest rewards. Returned by QUESTS_CLAIM_REWARD_SUCCESS. */
+export interface QuestEntitlements {
+    /** ISO timestamp when claimed. */
+    claimedAt: string;
+    /** Entitlement items received. */
+    items: QuestEntitlementItem[];
+    /** Errors encountered during claim. */
+    errors: QuestEntitlementError[];
+}
+
+/** Video progress tracking state. */
+export interface QuestVideoProgress {
+    /** Current playback position in seconds. */
+    timestampSec: number;
+    /** Total video duration in seconds. */
+    duration: number;
+    /** Maximum position reached in seconds. */
+    maxTimestampSec: number;
+}
+
+/** Transcript asset for quest videos. */
+export interface QuestTranscriptAsset {
+    questId: string;
+    fetchStatus: QuestTranscriptFetchStatus;
+    /** Transcript text content when loaded. */
+    text?: string;
+    /** Transcript file URL. */
+    url?: string;
+}
+
+/** Error hint from console quest operations. */
+export interface QuestConsoleErrorHint {
+    type: QuestErrorType;
+    /** User-facing error message. */
+    message: string;
+    /** Connected account ID that caused the error. */
+    connected_account_id: string;
+    /** Account type (e.g., "xbox", "playstation"). */
+    connected_account_type: string;
+}
+
+/** Computed task details for display. */
+export interface QuestTaskDetails {
+    taskType: QuestTaskType;
+    /** Target completion time in minutes. */
+    targetMinutes: number;
+    /** Progress as decimal (0.0 to 1.0). */
+    percentComplete: number;
+    /** Applications for this task. */
+    applications?: QuestTaskApplication[];
+}
+
+/** Third-party task details for external quests. */
+export interface QuestThirdPartyTaskDetails {
+    description: string;
+    /** Current progress value. */
+    progress: number;
+    /** Target completion value. */
+    target: number;
+    /** Progress as decimal (0.0 to 1.0). */
+    percentComplete: number;
+    title?: string;
+}
+
+/** Store for Discord Quests data. Manages quest configs, user progress, rewards, and delivery. */
+export class QuestStore extends FluxStore {
+    /** All quests keyed by quest ID. Updated via QUESTS_FETCH_CURRENT_QUESTS_SUCCESS. */
+    get quests(): Map<string, Quest>;
+
+    /** Quests the user is excluded from. Updated via QUESTS_FETCH_CURRENT_QUESTS_SUCCESS. */
+    get excludedQuests(): Map<string, ExcludedQuest>;
+
+    /** Quests with claimed rewards. Updated via QUESTS_FETCH_CLAIMED_QUESTS_SUCCESS. */
+    get claimedQuests(): Map<string, Quest>;
+
+    /** Whether fetching current quests. Set via QUESTS_FETCH_CURRENT_QUESTS_BEGIN. */
+    get isFetchingCurrentQuests(): boolean;
+
+    /** Whether fetching claimed quests. Set via QUESTS_FETCH_CLAIMED_QUESTS_BEGIN. */
+    get isFetchingClaimedQuests(): boolean;
+
+    /** Unix timestamp of last current quests fetch. Default 0. */
+    get lastFetchedCurrentQuests(): number;
+
+    /** Unix timestamp of last quest-to-deliver fetch. Default 0. */
+    get lastFetchedQuestToDeliver(): number;
+
+    /** Whether fetching quest to deliver. Set via QUESTS_FETCH_QUEST_TO_DELIVER_BEGIN. */
+    get isFetchingQuestToDeliver(): boolean;
+
+    /** Override quest for delivery testing. Set via QUESTS_DELIVERY_OVERRIDE. */
+    get questDeliveryOverride(): Quest | undefined;
+
+    /** Quest delivery info keyed by {@link QuestPlacement}. Updated via QUESTS_FETCH_QUEST_TO_DELIVER_SUCCESS. */
+    get questToDeliverForPlacement(): Map<QuestPlacement, QuestDeliveryInfo>;
+
+    /** Date until enrollment is blocked, null if not blocked. Set via QUESTS_ENROLL_FAILURE. */
+    get questEnrollmentBlockedUntil(): Date | null;
+
+    /** Ad decision cache keyed by {@link QuestPlacement}. Updated via QUESTS_FETCH_QUEST_TO_DELIVER_SUCCESS. */
+    get questAdDecisionByPlacement(): Map<QuestPlacement, QuestAdDecision>;
+
+    /** Quest configs keyed by quest ID. */
+    get questConfigs(): Map<string, QuestConfig>;
+
+    /** Whether fetching preview for a quest. */
+    isFetchingQuestPreview(questId: string): boolean;
+
+    /** Whether fetching quest to deliver for a placement. */
+    isFetchingQuestToDeliverByPlacement(placement: QuestPlacement): boolean;
+
+    /** Gets preview fetch error for a quest. */
+    getFetchQuestPreviewError(questId: string): QuestErrorType | undefined;
+
+    /** Whether user is currently enrolling in a quest. Set via QUESTS_ENROLL_BEGIN. */
+    isEnrolling(questId: string): boolean;
+
+    /** Whether user is currently claiming reward for a quest. Set via QUESTS_CLAIM_REWARD_BEGIN. */
+    isClaimingReward(questId: string): boolean;
+
+    /** Whether fetching reward code for a quest. Set via QUESTS_FETCH_REWARD_CODE_BEGIN. */
+    isFetchingRewardCode(questId: string): boolean;
+
+    /** Whether dismissing content for a quest. Set via QUESTS_DISMISS_CONTENT_BEGIN. */
+    isDismissingContent(questId: string): boolean;
+
+    /** Gets claimed reward code for a quest. Updated via QUESTS_FETCH_REWARD_CODE_SUCCESS. */
+    getRewardCode(questId: string): QuestClaimedRewardCode | undefined;
+
+    /** Gets entitlement items for a quest. Updated via QUESTS_CLAIM_REWARD_SUCCESS. */
+    getRewards(questId: string): QuestEntitlementItem[] | undefined;
+
+    /** Gets stream heartbeat failure info. Cleared via STREAM_CLOSE. */
+    getStreamHeartbeatFailure(streamKey: string): StreamHeartbeatFailure | undefined;
+
+    /** Gets a quest by ID. */
+    getQuest(questId: string): Quest | undefined;
+
+    /** Gets quest config by ID. */
+    getQuestConfig(questId: string): QuestConfig | undefined;
+
+    /** Whether quest has active desktop progress. Updated via QUESTS_SEND_HEARTBEAT_SUCCESS. */
+    isProgressingOnDesktop(questId: string): boolean;
+
+    /** Gets selected task platform for a quest. Set via QUESTS_SELECT_TASK_PLATFORM. */
+    selectedTaskPlatform(questId: string): QuestPlatformMode | null;
+
+    /** Gets optimistic progress for a task. Set via QUESTS_UPDATE_OPTIMISTIC_PROGRESS, cleared via QUESTS_RESET_OPTIMISTIC_PROGRESS. */
+    getOptimisticProgress(questId: string, taskEventName: string): number | undefined;
+
+    /** Gets map of quest IDs to expired status. Computed from quest config expiresAt. */
+    getExpiredQuestsMap(): Map<string, boolean>;
+
+    /** Whether a quest has expired. Computed from quest config expiresAt. */
+    isQuestExpired(questId: string): boolean;
+
+    /** Gets quest loaded via preview tool. Updated via QUESTS_FETCH_PREVIEW_SUCCESS. */
+    getQuestLoadedViaPreview(questId: string): Quest | undefined;
+
+    /** Whether fetching quest home takeover config. Set via QUESTS_FETCH_QUEST_HOME_TAKEOVER_BEGIN. */
+    isFetchingQuestHomeTakeover(): boolean;
+
+    /** Gets quest home takeover config. Updated via QUESTS_FETCH_QUEST_HOME_TAKEOVER_SUCCESS. */
+    getQuestHomeTakeoverConfig(): QuestHomeTakeoverConfig | null;
+
+    /** Gets Unix timestamp of last takeover fetch, null if never fetched. */
+    getLastFetchedQuestHomeTakeover(): number | null;
+}
diff --git a/packages/discord-types/src/stores/index.d.ts b/packages/discord-types/src/stores/index.d.ts
index d46a3cbd5..019efb38e 100644
--- a/packages/discord-types/src/stores/index.d.ts
+++ b/packages/discord-types/src/stores/index.d.ts
@@ -28,6 +28,7 @@ export * from "./OverridePremiumTypeStore";
 export * from "./PermissionStore";
 export * from "./PopoutWindowStore";
 export * from "./PresenceStore";
+export * from "./QuestStore";
 export * from "./ReadStateStore";
 export * from "./RelationshipStore";
 export * from "./RTCConnectionStore";
diff --git a/src/webpack/common/stores.ts b/src/webpack/common/stores.ts
index fc54d6948..d622f9f53 100644
--- a/src/webpack/common/stores.ts
+++ b/src/webpack/common/stores.ts
@@ -81,6 +81,7 @@ export let SoundboardStore: t.SoundboardStore;
 export let PopoutWindowStore: t.PopoutWindowStore;
 export let ApplicationCommandIndexStore: t.ApplicationCommandIndexStore;
 export let EditMessageStore: t.EditMessageStore;
+export let QuestStore: t.QuestStore;
 
 /**
  * @see jsdoc of {@link t.useStateFromStores}
@@ -134,6 +135,7 @@ waitForStore("SoundboardStore", m => SoundboardStore = m);
 waitForStore("PopoutWindowStore", m => PopoutWindowStore = m);
 waitForStore("ApplicationCommandIndexStore", m => ApplicationCommandIndexStore = m);
 waitForStore("EditMessageStore", m => EditMessageStore = m);
+waitForStore("QuestStore", m => QuestStore = m);
 waitForStore("ThemeStore", m => {
     ThemeStore = m;
     // Importing this directly causes all webpack commons to be imported, which can easily cause circular dependencies.