diff --git a/apps/api/src/routes/debug.ts b/apps/api/src/routes/debug.ts
index 7fa1717..59d1225 100644
--- a/apps/api/src/routes/debug.ts
+++ b/apps/api/src/routes/debug.ts
@@ -269,13 +269,22 @@ const applyBossUnlocks = (state: GameState): number => {
  */
 const applyAdventurerUnlocks = (state: GameState): number => {
   let count = 0;
+  const completedQuestIds = new Set(
+    state.quests.
+      filter((q) => {
+        return q.status === "completed";
+      }).
+      map((q) => {
+        return q.id;
+      }),
+  );
   const earnedAdventurerIds = new Set<string>();
 
-  for (const quest of state.quests) {
-    if (quest.status !== "completed") {
+  for (const questDefinition of defaultQuests) {
+    if (!completedQuestIds.has(questDefinition.id)) {
       continue;
     }
-    for (const reward of quest.rewards) {
+    for (const reward of questDefinition.rewards) {
       if (reward.type === "adventurer" && reward.targetId !== undefined) {
         earnedAdventurerIds.add(reward.targetId);
       }
@@ -294,29 +303,51 @@ const applyAdventurerUnlocks = (state: GameState): number => {
 
 /**
  * Collects all upgrade IDs the player has legitimately earned via boss defeats
- * and completed quest rewards.
+ * and completed quest rewards, sourcing reward data from game definitions.
  * @param state - The player's current game state.
  * @returns A set of earned upgrade IDs.
  */
 const collectEarnedUpgradeIds = (state: GameState): Set<string> => {
   const earnedIds = new Set<string>();
-  for (const boss of state.bosses) {
-    if (boss.status === "defeated") {
-      for (const upgradeId of boss.upgradeRewards) {
-        earnedIds.add(upgradeId);
-      }
-    }
-  }
-  for (const quest of state.quests) {
-    if (quest.status !== "completed") {
+  const defeatedBossIds = new Set(
+    state.bosses.
+      filter((b) => {
+        return b.status === "defeated";
+      }).
+      map((b) => {
+        return b.id;
+      }),
+  );
+  const completedQuestIds = new Set(
+    state.quests.
+      filter((q) => {
+        return q.status === "completed";
+      }).
+      map((q) => {
+        return q.id;
+      }),
+  );
+
+  for (const bossDefinition of defaultBosses) {
+    if (!defeatedBossIds.has(bossDefinition.id)) {
       continue;
     }
-    for (const reward of quest.rewards) {
+    for (const upgradeId of bossDefinition.upgradeRewards) {
+      earnedIds.add(upgradeId);
+    }
+  }
+
+  for (const questDefinition of defaultQuests) {
+    if (!completedQuestIds.has(questDefinition.id)) {
+      continue;
+    }
+    for (const reward of questDefinition.rewards) {
       if (reward.type === "upgrade" && reward.targetId !== undefined) {
         earnedIds.add(reward.targetId);
       }
     }
   }
+
   return earnedIds;
 };
 
@@ -348,13 +379,22 @@ const applyUpgradeUnlocks = (state: GameState): number => {
  */
 const applyEquipmentUnlocks = (state: GameState): number => {
   let count = 0;
+  const defeatedBossIds = new Set(
+    state.bosses.
+      filter((b) => {
+        return b.status === "defeated";
+      }).
+      map((b) => {
+        return b.id;
+      }),
+  );
   const earnedEquipmentIds = new Set<string>();
 
-  for (const boss of state.bosses) {
-    if (boss.status !== "defeated") {
+  for (const bossDefinition of defaultBosses) {
+    if (!defeatedBossIds.has(bossDefinition.id)) {
       continue;
     }
-    for (const equipmentId of boss.equipmentRewards) {
+    for (const equipmentId of bossDefinition.equipmentRewards) {
       earnedEquipmentIds.add(equipmentId);
     }
   }
diff --git a/apps/api/test/routes/debug.spec.ts b/apps/api/test/routes/debug.spec.ts
index 7d5385b..f0dab75 100644
--- a/apps/api/test/routes/debug.spec.ts
+++ b/apps/api/test/routes/debug.spec.ts
@@ -366,6 +366,161 @@ describe("debug route", () => {
       expect(body.explorationUnlocked).toBe(0);
     });
 
+    it("unlocks adventurer tier when its quest has been completed", async () => {
+      const state = makeState({
+        adventurers: [ { id: "scout", unlocked: false } ] as GameState["adventurers"],
+        quests:      [ { id: "haunted_mine", status: "completed" } ] as GameState["quests"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { adventurersUnlocked: number };
+      expect(body.adventurersUnlocked).toBe(1);
+    });
+
+    it("does not unlock adventurer tier when it is already unlocked", async () => {
+      const state = makeState({
+        adventurers: [ { id: "scout", unlocked: true } ] as GameState["adventurers"],
+        quests:      [ { id: "haunted_mine", status: "completed" } ] as GameState["quests"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { adventurersUnlocked: number };
+      expect(body.adventurersUnlocked).toBe(0);
+    });
+
+    it("unlocks upgrade when its boss has been defeated", async () => {
+      const state = makeState({
+        bosses:   [ { id: "troll_king", status: "defeated" } ] as GameState["bosses"],
+        upgrades: [ { id: "click_2", unlocked: false } ] as GameState["upgrades"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { upgradesUnlocked: number };
+      expect(body.upgradesUnlocked).toBe(1);
+    });
+
+    it("does not unlock upgrade when boss is not defeated", async () => {
+      const state = makeState({
+        bosses:   [ { id: "troll_king", status: "available" } ] as GameState["bosses"],
+        upgrades: [ { id: "click_2", unlocked: false } ] as GameState["upgrades"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { upgradesUnlocked: number };
+      expect(body.upgradesUnlocked).toBe(0);
+    });
+
+    it("does not unlock upgrade when it is already unlocked", async () => {
+      const state = makeState({
+        bosses:   [ { id: "troll_king", status: "defeated" } ] as GameState["bosses"],
+        upgrades: [ { id: "click_2", unlocked: true } ] as GameState["upgrades"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { upgradesUnlocked: number };
+      expect(body.upgradesUnlocked).toBe(0);
+    });
+
+    it("unlocks upgrade granted as a quest reward", async () => {
+      const state = makeState({
+        quests:   [ { id: "haunted_mine", status: "completed" } ] as GameState["quests"],
+        upgrades: [ { id: "global_1", unlocked: false } ] as GameState["upgrades"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { upgradesUnlocked: number };
+      expect(body.upgradesUnlocked).toBe(1);
+    });
+
+    it("marks equipment as owned when its boss has been defeated", async () => {
+      const state = makeState({
+        bosses:    [ { id: "troll_king", status: "defeated" } ] as GameState["bosses"],
+        equipment: [ { id: "iron_sword", owned: false } ] as GameState["equipment"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { equipmentUnlocked: number };
+      expect(body.equipmentUnlocked).toBe(1);
+    });
+
+    it("does not mark equipment as owned when boss is not defeated", async () => {
+      const state = makeState({
+        bosses:    [ { id: "troll_king", status: "available" } ] as GameState["bosses"],
+        equipment: [ { id: "iron_sword", owned: false } ] as GameState["equipment"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { equipmentUnlocked: number };
+      expect(body.equipmentUnlocked).toBe(0);
+    });
+
+    it("does not mark equipment as owned when it is already owned", async () => {
+      const state = makeState({
+        bosses:    [ { id: "troll_king", status: "defeated" } ] as GameState["bosses"],
+        equipment: [ { id: "iron_sword", owned: true } ] as GameState["equipment"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { equipmentUnlocked: number };
+      expect(body.equipmentUnlocked).toBe(0);
+    });
+
+    it("returns storyUnlocked=0 when story is undefined", async () => {
+      const state = makeState({
+        story: undefined as unknown as GameState["story"],
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { storyUnlocked: number };
+      expect(body.storyUnlocked).toBe(0);
+    });
+
+    it("unlocks story chapter when its boss has been defeated", async () => {
+      const state = makeState({
+        bosses: [ { id: "forest_giant", status: "defeated" } ] as GameState["bosses"],
+        story:  { completedChapters: [], unlockedChapterIds: [] },
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { storyUnlocked: number };
+      expect(body.storyUnlocked).toBe(1);
+    });
+
+    it("does not unlock story chapter when boss is not defeated", async () => {
+      const state = makeState({
+        bosses: [ { id: "forest_giant", status: "available" } ] as GameState["bosses"],
+        story:  { completedChapters: [], unlockedChapterIds: [] },
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { storyUnlocked: number };
+      expect(body.storyUnlocked).toBe(0);
+    });
+
+    it("does not unlock story chapter when it is already unlocked", async () => {
+      const state = makeState({
+        bosses: [ { id: "forest_giant", status: "defeated" } ] as GameState["bosses"],
+        story:  { completedChapters: [], unlockedChapterIds: [ "story_ch_01" ] },
+      });
+      vi.mocked(prisma.gameState.findUnique).mockResolvedValueOnce({ state } as never);
+      vi.mocked(prisma.gameState.update).mockResolvedValueOnce({} as never);
+      const res = await forceUnlocks();
+      const body = await res.json() as { storyUnlocked: number };
+      expect(body.storyUnlocked).toBe(0);
+    });
+
     it("computes HMAC signature when ANTI_CHEAT_SECRET is set", async () => {
       process.env.ANTI_CHEAT_SECRET = "test_secret";
       const state = makeState();