Input your birth date. It will lead to a special suprise later in the game.
Level 2 -- Step on the arrows to make the platform extend.
Level 3 is the first real maze.
Level 4 is a narrow staircase with a fiery background.
Now that's nice: When you get to the boss that matches your sign, you get powerups!
Level 10 is all about making bridges.
The enemies in Level 11 move so fast you can barely see them.
The 12th, and last level is the most clever.