WASD to move, space to change gravity (after level 3). In the boss fight, there are 4 stages. If you are hit you will go back one stage, so if the voice seems repetitive, don't worry, it's intentional. I will add music in the next update.
Credits to Griffpatch for his platformer tutorial Credits to my friends for testing my game. I can't thank you enough. Credits to C418/Minecraft for the song Cat