diff --git a/src/js/game/components/storage.js b/src/js/game/components/storage.js
index be243a44..46305929 100644
--- a/src/js/game/components/storage.js
+++ b/src/js/game/components/storage.js
@@ -5,6 +5,10 @@ import { typeItemSingleton } from "../item_resolver";
 import { ColorItem } from "../items/color_item";
 import { ShapeItem } from "../items/shape_item";
 
+/** @type {{
+ * [x: string]: (item: BaseItem) => Boolean
+ * }} */
+export const MODS_ADDITIONAL_STORAGE_ITEM_RESOLVER = {};
 export class StorageComponent extends Component {
     static getId() {
         return "Storage";
@@ -56,11 +60,15 @@ export class StorageComponent extends Component {
 
         const itemType = item.getItemType();
 
-        // Check type matches
         if (itemType !== this.storedItem.getItemType()) {
+            // Check type matches
             return false;
         }
 
+        if (MODS_ADDITIONAL_STORAGE_ITEM_RESOLVER[itemType]) {
+            return MODS_ADDITIONAL_STORAGE_ITEM_RESOLVER[itemType].apply(this, [item]);
+        }
+
         if (itemType === "color") {
             return /** @type {ColorItem} */ (this.storedItem).color === /** @type {ColorItem} */ (item).color;
         }