FINALLY DONE! Arrow keys to move. PLEASE read everything that's said, or else you will not understand anything when you reach the boss fight (room 35 right now.) By the way, all of the levels are possible - I've gone through all of them as a regular player. :D
The gravity is by @cproctor Idea comes from Portal 2, a first-person puzzle game. If you would like to suggest new rooms/stuff to put in rooms, that would be great, thanks! By the way, all rooms are possible to complete - I tried them myself.