WASD to move P to shoot Objective; kill the aliens and survive while getting the highest score possible. Power Ups; S - 1.75 x speed for five seconds D - protective shield for five seconds P - powerful machine gun for five seconds If you stay still for too long you instantly die (this is to prevent cheese)
music from https://www.ashamaluevmusic.com some sound from https://freesound.org I used followed this to make the score counter https://www.youtube.com/watch?v=kjDwTAy6y4o Other than that, I drew and programmed the whole thing myself.