diff --git a/code/include/rnd/item_override.h b/code/include/rnd/item_override.h
index 31d77bb..1400272 100644
--- a/code/include/rnd/item_override.h
+++ b/code/include/rnd/item_override.h
@@ -453,6 +453,8 @@ namespace rnd {
   bool ItemOverride_CheckTingleMaps(u16, game::GlobalContext*);
   u32 ItemOverride_GetGaboraExtData();
   u32 ItemOverride_GetOshExtData();
+  void ItemOverride_SetSkullCollected(u16, game::SceneId);
+  u8 ItemOverride_IsSkullCollected(game::act::Actor*, game::SceneId);
   u8 ItemOverride_OverrideSkullToken(game::act::Actor*);
   u8 ItemOverride_CheckBossStatus();
   }
diff --git a/code/mm.ld b/code/mm.ld
index a704722..63514b1 100644
--- a/code/mm.ld
+++ b/code/mm.ld
@@ -85,24 +85,6 @@ SECTIONS{
     *(.patch_FastTransformPatchFive)
   }
 
-  .patch_UpdateBossLairExtData 0x29CF30 : {
-    *(.patch_UpdateBossLairExtData)
-  }
-
-  /*2bec9c GOOD DREAM */
-  /*  
-  .patch_RemoveMeetMaskCutScene 0x2bec9c : {
-    *(.patch_RemoveMeetMaskCutScene)
-  } */
-
-  .patch_GiveTempSwordForHandD 0x2B523C : {
-    *(.patch_GiveTempSwordForHandD)
-  }
-
-  .patch_RemoveTempSwordForHandD 0x2DDAF0 : {
-    *(.patch_RemoveTempSwordForHandD)
-  }
-
   .patch_KeepBowOnEpona 0x188794 : {
     *(.patch_KeepBowOnEpona)
   }
@@ -135,7 +117,7 @@ SECTIONS{
     *(.patch_DoNotResetPermFlags)
   }
 
-  .patch_DoNotRemoveTradeItems 0x1c9AA8 : {
+  .patch_DoNotRemoveTradeItems 0x1C9AA8 : {
     *(.patch_DoNotRemoveTradeItems)
   }
 
@@ -351,10 +333,24 @@ SECTIONS{
     *(.patch_TwinmoldConsistentDamage)
   }
 
+  .patch_UpdateBossLairExtData 0x29CF30 : {
+    *(.patch_UpdateBossLairExtData)
+  }
+
+  /*2bec9c GOOD DREAM */
+  /*  
+  .patch_RemoveMeetMaskCutScene 0x2bec9c : {
+    *(.patch_RemoveMeetMaskCutScene)
+  } */
+
   .patch_FasterBlockMovement 0x2AC634 : {
     *(.patch_FasterBlockMovement)
   }
 
+  .patch_GiveTempSwordForHandD 0x2B523C : {
+    *(.patch_GiveTempSwordForHandD)
+  }
+
   .patch_GaboraCheckExtDataNotSword 0x2CBB14 : {
     *(.patch_GaboraCheckExtDataNotSword)
   }
@@ -395,10 +391,18 @@ SECTIONS{
     *(.patch_TingleCheckStoneTowerMap)
   }
 
+  .patch_RemoveTempSwordForHandD 0x2DDAF0 : {
+    *(.patch_RemoveTempSwordForHandD)
+  }
+
   .patch_RemoveGoronMaskCheckDarmani 0x2DE788 : {
     *(.patch_RemoveGoronMaskCheckDarmani)
   }
 
+  .patch_RemoveSkulltulaSpawnIfCollectedItem 0x2E8384 : {
+    *(.patch_RemoveSkulltulaSpawnIfCollectedItem)
+  }
+
   .patch_SaveExtDataOnOwl 0x317004 : {
     *(.patch_SaveExtDataOnOwl)
   }
diff --git a/code/source/asm/item_override_hooks.s b/code/source/asm/item_override_hooks.s
index 5c7751b..4eba3bf 100644
--- a/code/source/asm/item_override_hooks.s
+++ b/code/source/asm/item_override_hooks.s
@@ -159,6 +159,18 @@ doNotSpawnDarmani:
     nop
     b 0x2DE96C
 
+.global hook_RemoveSkulltulaSpawnIfCollectedItem
+hook_RemoveSkulltulaSpawnIfCollectedItem:
+    push {r0-r12,lr}
+    cpy r0,r4
+    cpy r1,r6
+    mov r1,#0x148
+    ldrsh r1, [r1,r6]
+    bl ItemOverride_IsSkullCollected
+    cmp r0, #0x0
+    pop {r0-r12,lr}
+    bx lr
+
 .global hook_CheckOshExtData
 hook_CheckOshExtData:
     push {lr}
diff --git a/code/source/asm/item_override_patches.s b/code/source/asm/item_override_patches.s
index 946bea6..71f75c0 100644
--- a/code/source/asm/item_override_patches.s
+++ b/code/source/asm/item_override_patches.s
@@ -57,6 +57,11 @@ patch_RemoveAddingSkulltulaTokenIfOverridden:
 patch_RemoveGoronMaskCheckDarmani:
     b hook_DarmaniRewardCheck
 
+.section .patch_RemoveSkulltulaSpawnIfCollectedItem
+.global patch_RemoveSkulltulaSpawnIfCollectedItem
+patch_RemoveSkulltulaSpawnIfCollectedItem:
+    bl hook_RemoveSkulltulaSpawnIfCollectedItem
+
 .section .patch_CheckOshExtData
 .global patch_CheckOshExtData
 patch_CheckOshExtData:
diff --git a/code/source/rnd/item_override.cpp b/code/source/rnd/item_override.cpp
index 369c0d3..e2ba238 100644
--- a/code/source/rnd/item_override.cpp
+++ b/code/source/rnd/item_override.cpp
@@ -36,6 +36,13 @@ namespace rnd {
 
   static u8 rSatisfiedPendingFrames = 0;
 
+  static u8 skulltulaMapSSH[30] = {0x03, 0x07, 0x0B, 0x13, 0x15, 0x1B, 0x1F, 0x23, 0x25, 0x29,
+                                   0x2D, 0x31, 0x37, 0x3B, 0x3F, 0x41, 0x45, 0x49, 0x4F, 0x53,
+                                   0x56, 0x5B, 0x5D, 0x62, 0x67, 0x69, 0x6D, 0x71, 0x76, 0x79};
+  static u8 skulltulaMapOSH[30] = {0x07, 0x0B, 0x0F, 0x13, 0x17, 0x1B, 0x1F, 0x23, 0x27, 0x2B,
+                                   0x2D, 0x33, 0x37, 0x3B, 0x3F, 0x42, 0x46, 0x4A, 0x4F, 0x53,
+                                   0x57, 0x59, 0x5D, 0x61, 0x65, 0x69, 0x6D, 0x73, 0x77, 0x7B};
+
   void ItemOverride_Init(void) {
 #ifdef ENABLE_DEBUG
     // Manual overide example code
@@ -45,8 +52,8 @@ namespace rnd {
     rItemOverrides[0].value.looksLikeItemId = 0x56;
     rItemOverrides[1].key.scene = 0x6F;
     rItemOverrides[1].key.type = ItemOverride_Type::OVR_COLLECTABLE;
-    rItemOverrides[1].value.getItemId = 0x01;
-    rItemOverrides[1].value.looksLikeItemId = 0x01;
+    rItemOverrides[1].value.getItemId = 0x46;
+    rItemOverrides[1].value.looksLikeItemId = 0x46;
     rItemOverrides[2].key.scene = 0x12;
     rItemOverrides[2].key.type = ItemOverride_Type::OVR_COLLECTABLE;
     rItemOverrides[2].value.getItemId = 0x37;
@@ -1048,9 +1055,46 @@ namespace rnd {
     return (u32)gExtSaveData.givenItemChecks.enOshGivenItem;
   }
 
+  void ItemOverride_SetSkullCollected(u16 params, game::SceneId scene) {
+    for (u8 i = 0; i < 30; i++) {
+      if (scene == game::SceneId::SwampSpiderHouse) {
+        if (skulltulaMapSSH[i] == (params & 0xFF)) {
+          gExtSaveData.chestRewarded[(u8)game::SceneId::SwampSpiderHouse][i] = 1;
+          return;
+        }
+      } else if (scene == game::SceneId::OceansideSpiderHouse) {
+        if (skulltulaMapOSH[i] == (params & 0xFF)) {
+          gExtSaveData.chestRewarded[(u8)game::SceneId::OceansideSpiderHouse][i] = 1;
+          return;
+        }
+      }
+    }
+  }
+
+  u8 ItemOverride_IsSkullCollected(game::act::Actor * actor, game::SceneId scene) {
+    #if defined ENABLE_DEBUG || defined DEBUG_PRINT
+      rnd::util::Print("%s: Our scene is %#06x\n", __func__, scene);	
+    #endif
+    for (u8 i = 0; i < 30; i++) {
+      if (scene == game::SceneId::SwampSpiderHouse) {
+        if (skulltulaMapSSH[i] == (actor->params & 0xFF)) {
+          return gExtSaveData.chestRewarded[(u8)game::SceneId::SwampSpiderHouse][i];
+        }
+      } else if (scene == game::SceneId::OceansideSpiderHouse) {
+        // Special case - since OSH has one chest, let's remove 
+        if ((i+1) == 30) break;
+        if (skulltulaMapOSH[i+1] == (actor->params & 0xFF)) {
+          return gExtSaveData.chestRewarded[(u8)game::SceneId::OceansideSpiderHouse][i+1];
+        }
+      }
+    }
+    return 0;
+  }
+
   u8 ItemOverride_OverrideSkullToken(game::act::Actor* actor) {
     game::GlobalContext* gctx = GetContext().gctx;
     s16 getItemId = gctx->scene == game::SceneId::SwampSpiderHouse ? 0x44 : 0x6D;
+    ItemOverride_SetSkullCollected(actor->params, gctx->scene);
     ItemOverride_GetItem(gctx, actor, gctx->GetPlayerActor(), getItemId);
     if (rActiveItemRow != NULL) {
       ItemOverride_GetItemTextAndItemID(gctx->GetPlayerActor());