keyboard — arrows: d-pad · Z: B · X: A · Enter: Start · Shift: Select
gamepad — d-pad or left stick · A/X: B · B/Y: A · Menu: Start · View: Select
· G: remap · Shift+G: reset mapping
press a button on the pad first; the browser hides it until then
debug — F: fullscreen · A: aspect (NTSC 4:3 / square pixels) · P: pause · M: mute · C: save contact sheet of last 60 frames · V: save replay bundle