Droplet - 98% Invisible Platformer Progress through ten levels of extreme difficulty. Arrow keys or WASD to move around the invisible world. Try to get to the right of the screen to progress to the next level. There are invisible barriers you will need to get around. Good luck. (You'll need it) If it gets too hard then, press [space] to see the platforms for a short time, but you have a limit of ten of these. R key to restart a level. Some raindrops do hit the invisible walls, others don't.