Play Buster
Start the original disk, then press Z or your controller’s first action button at the title screen. Click the screen to use the keyboard.
Ready. Game audio begins after you press Start Buster.
Keyboard & controller
Arrow keys or D-pad / left stick: move. Z and X: the two original joystick triggers. Enter / Space also press the first trigger. The original game determines each action.
Connect a controller and press a button.
Defaults: standard controller A / B and Start. Button numbers begin at 1. Reconnect is checked during play. Switching away pauses the game and releases held inputs.
Save & restore a browser checkpoint
Save on this device or export a backup. Browser data can be removed by clearing site storage. Checkpoints belong to this Buster browser runtime; native .x68 files use a different format.
Original 10 MHz machine, 2 MB RAM. Cold boot, early gameplay and checkpoints are tested separately from full campaign completion.