Arrow keys to move. Yes, you can crouch. Lastly, have fun looking for coins! PATCH NOTES: v.1.0: game is released v.1.1: fixed glitch in which the layout of the level in "gold variant" does not correspond to what you can actually land on. (thanks to @Phil-burt627 for pointing this out) no other versions just yet
Background music: "Radio music" from Sneaky Sasquatch by Apple Arcade. It's a good game, I recommend it.