That Gravity Game 2 Instructions: -Arrow keys/ WASD to move -Space to jump (optional) -Touch the portal to get to the next level -Avoid spikes/ acid -Change gravity by touching fields -Skip/go back to any level -Complete all levels to win game Complete all 12 levels to help MARSH escape from the Alien Spaceship! Note: level 11 and 12 are one big level; you have to pass the checkpoint to pass level 11.