Fight the baddies, and find the right Portal in the Portal Maze! Press the J and N keys to fly up and down. Red Canon Gun: Space to shoot, S to get ball back. Blue Canon Gun: G to shoot, F to get ball back. Gold Canon Gun: A to shoot, U to get ball back.
Music owned by Kevin Macleod (http://freemusicarchive.org/music/kevin_macleod/).