Welcome to the greatest ball game of the 21st century, Portalball! This is just the demo, the real deal will be coming soon, but for now, start playin' Portalball! If you can notice what's different than anything else in the game, tell me, and if you get it right, you can get an award! Please, like this game and tell a lot of other people to play this game! Caution: May be hard if you don't look at descriptions for each level.