diff --git a/src/systems/Antigravity.js b/src/systems/Antigravity.js
index a03daff..527b286 100644
--- a/src/systems/Antigravity.js
+++ b/src/systems/Antigravity.js
@@ -12,6 +12,32 @@ window.Antigravity = {
         }
     },
 
+    /**
+     * SYSTEMS REGISTRY
+     * Central storage for all game systems
+     * Usage: window.Antigravity.Systems.TerrainSystem
+     */
+    Systems: {},
+
+    /**
+     * Register a system
+     * @param {string} name - System name
+     * @param {Object} system - System instance
+     */
+    registerSystem: function (name, system) {
+        this.Systems[name] = system;
+        console.log(`✅ Registered system: ${name}`);
+    },
+
+    /**
+     * Get a registered system
+     * @param {string} name - System name
+     * @returns {Object|null} System instance or null
+     */
+    getSystem: function (name) {
+        return this.Systems[name] || null;
+    },
+
     Rendering: {
         /**
          * Zagotavlja pravilno globinsko razvrščanje (Depth Sorting) vseh spritov