I had a game idea working with cursor, but I am trying

to convert it to work in retro.
I'm stuck.

test_game.py

@@ -0,0 +1,142 @@
+import inspect
+import os
+import random
+import sys
+import retro
+import tetris
+from retro.agent import ArrowKeyAgent
+
+
+
+# Expose Game name expected by create_game helper
+game = tetris.Tetris()
+
+
+# --- Factory helpers and small harness ---
+
+def create_game():
+    """Create a Game instance with minimal sensible defaults."""
+    try:
+        return Game()
+    except TypeError:
+        try:
+            sig = inspect.signature(Game)
+            kwargs = {}
+            if 'agents' in sig.parameters:
+                kwargs['agents'] = []
+            if 'state' in sig.parameters:
+                kwargs['state'] = {}
+            return Game(**kwargs)
+        except Exception:
+            for args in (([], {}), ([], None), ([],), (None,)):
+                try:
+                    return Game(*args)
+                except Exception:
+                    continue
+            raise
+
+
+def create_agent(game=None):
+    try:
+        return ArrowKeyAgent(game)
+    except TypeError:
+        return ArrowKeyAgent()
+
+
+def draw_screen(game: Game):
+    # simple text render
+    game.clear()
+    s = game.draw_board()
+    game.refresh()
+    # store/return the string for tests
+    return s
+
+
+def main():
+    argv = sys.argv[1:]
+    if len(argv) >= 1 and argv[0] == 'play':
+        # Try to run a terminal player. Use curses if available.
+        try:
+            play_in_terminal(create_game())
+        except Exception as e:
+            print('Terminal play failed:', e)
+            print('Run without args to run smoke tests instead.')
+        return
+
+    game = create_game()
+    agent = create_agent(game)
+
+    while not game.is_over():
+        action = agent.get_action()
+        game.step(action)
+        draw_screen(game)
+
+    print('Game Over! Score:', game.get_score())
+
+def play_in_terminal(game):
+    """Simple curses-based player loop.
+
+    Controls:
+    - Left/Right arrows or 'a'/'d' to move
+    - Up arrow or 'w' to rotate
+    - Down arrow or 's' to soft drop
+    - Space for hard drop
+    - 'q' to quit
+    """
+
+    keymap = {
+        # map keys to the Testris.action integer codes:
+        # 0 noop, 1 left, 2 right, 3 rotate, 4 soft drop
+        curses.KEY_LEFT: 1,
+        curses.KEY_RIGHT: 2,
+        curses.KEY_UP: 3,
+        curses.KEY_DOWN: 4,
+        ord('a'): 1,
+        ord('d'): 2,
+        ord('w'): 3,
+        ord('s'): 4,
+        # space will perform a hard drop (special handling)
+        ord(' '): 'hard_drop',
+        ord('q'): 'quit',
+    }
+
+
+
+
+
+
+
+# --- Simple smoke tests ---
+
+def test_game_initialization():
+    g = create_game()
+    assert g is not None
+    assert g.get_score() == 0
+    assert not g.is_over()
+
+
+def test_game_step():
+    g = create_game()
+    score0 = g.get_score()
+    g.step(0)
+    assert g.get_score() >= score0
+
+
+def test_draw_board_returns_str():
+    g = create_game()
+    s = g.draw_board()
+    assert isinstance(s, str)
+
+
+def test_game_over_sequence():
+    g = create_game()
+    # run a few steps to ensure no immediate crash
+    for _ in range(50):
+        if g.is_over():
+            break
+        g.step(0)
+    assert g.get_score() >= 0
+
+
+if __name__ == '__main__':
+    main()