A gamepad was found, but did not have the standard gamepad mapping. You may find better compatibility on a Chromium-based browser if you're not already using one.
action
keyboard
controller
mobile
steer
arrow keys
left stick
swipe left/right
accelerate
x
right button
swipe up
brake
z
bottom button
swipe down
toggle walls
escape
start/menu/pause
toggle walls button
mobile controls
toggle walls
source code available here