diff --git a/evennia/timmy_world/game.py b/evennia/timmy_world/game.py
index fad9473..672fa05 100644
--- a/evennia/timmy_world/game.py
+++ b/evennia/timmy_world/game.py
@@ -6,9 +6,10 @@ Not simulation. Story.
 """
 import json, time, os, random
 from datetime import datetime
+import os
 from pathlib import Path
 
-WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
+WORLD_DIR = Path(os.getenv('TIMMY_WORLD_DIR', Path.home() / '.timmy' / 'evennia' / 'timmy_world'))
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
diff --git a/evennia/timmy_world/world/game.py b/evennia/timmy_world/world/game.py
index 1b2aa74..1aaa75e 100644
--- a/evennia/timmy_world/world/game.py
+++ b/evennia/timmy_world/world/game.py
@@ -6,9 +6,10 @@ Not simulation. Story.
 """
 import json, time, os, random
 from datetime import datetime
+import os
 from pathlib import Path
 
-WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
+WORLD_DIR = Path(os.getenv('TIMMY_WORLD_DIR', Path.home() / '.timmy' / 'evennia' / 'timmy_world'))
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
diff --git a/tests/test_evennia_local_world_game.py b/tests/test_evennia_local_world_game.py
index f22a5d9..daebab8 100644
--- a/tests/test_evennia_local_world_game.py
+++ b/tests/test_evennia_local_world_game.py
@@ -1,6 +1,8 @@
 from importlib.util import module_from_spec, spec_from_file_location
 from pathlib import Path
+import os
 import unittest
+from unittest.mock import patch
 
 
 ROOT = Path(__file__).resolve().parent.parent
@@ -67,5 +69,34 @@ class TestEvenniaLocalWorldGame(unittest.TestCase):
         self.assertIn("The servers hum steady. The green LED pulses.", result["world_events"])
 
 
+    def test_world_dir_is_overrideable_by_environment(self):
+        """Test that TIMMY_WORLD_DIR env var overrides the hardcoded default."""
+        import importlib.util
+        import tempfile
+        from pathlib import Path
+        
+        # Create a temp directory to use as WORLD_DIR
+        with tempfile.TemporaryDirectory() as tmp:
+            override_path = Path(tmp)
+            
+            # Patch the environment before loading the module
+            env = os.environ.copy()
+            env['TIMMY_WORLD_DIR'] = str(override_path)
+            
+            # Load the module fresh in a new namespace with patched env
+            spec = importlib.util.spec_from_file_location("evennia_local_world_game_override", GAME_PATH)
+            module = importlib.util.module_from_spec(spec)
+            assert spec.loader is not None
+            # Execute with patched environ
+            old_env = os.environ
+            os.environ = env
+            try:
+                spec.loader.exec_module(module)
+            finally:
+                os.environ = old_env
+            
+            # The WORLD_DIR should equal the override path
+            self.assertEqual(module.WORLD_DIR, override_path)
+
 if __name__ == "__main__":
     unittest.main()