Game boarder and spaceship

Right now im trying to figure out why my target isnt showing up in the game
how i will i get it to move how i want it

proposal.md/nav_game.py

@@ -0,0 +1,9 @@
+from retro.game import Game
+from spaceship import Spaceship
+from targets import Targets
+
+board_size = (100, 25)
+ship = Spaceship(board_size)
+targets = Targets((board_size[0] // 2, 0))
+game = Game([ship], {"score": 0}, board_size=board_size, color="white", debug=True)
+game.play()