Right and left arrows. You know the rest, don't get hit, and hit the enemies. Sorry, respawn button does not work sometimes. Sorry, sometimes the enemies decide to not take damage. Please don't report this cuz the enemies are a inappropriate shape.
V1: https://scratch.mit.edu/projects/804591526/ V1.5: https://scratch.mit.edu/projects/804797628/ V1.5 Hacked: https://scratch.mit.edu/projects/805395782/ IMPORTANT MASSAGE: This is the first update with the red enemies. These type of enemies will not be in the next few updates due to a glitch they were causing. You will probably see them in [much] later updates.