The instructions are in-game, but ill put them here anyway: Up/W to jump Left/A to move left Right/D to move right Down/S to duck Don't touch red! Oh, you can also press V to toggle scores.
here's a better version of this game: https://scratch.mit.edu/projects/278701826/ or you can play an even better version of that better version: https://scratch.mit.edu/projects/574292340/ I worked on the jumping animation with @blechdavier The rest I did myself.