Alien Asylum.

Level Select

At the Title Screen, hold Up and Left and press A, B, and Select at the same time. Use Up and Down to choose your level and press Start to begin.

Alien Syndrome.

Steal Lives

In a two player game the player that dies first can steal lives from the other player. To do so, press A and B simultaneously.

Level select

Press Down + Start on controller one and Right on controller two simultaneously.

All Pro Basketball.

Passwords

Championship Series as LA Breakers with 34 wins and 0 losses – BEOLEHPPHRMR.

Halfway through Championship Tournament as Seattle Sonics with 0 losses – NFJNKMMJMFQ.

American Gladiators.

Passwords

Level Password

2 ABAAAABB

3 ABAABAAA

4 ABABBBBB

Anticipation.

Grey puzzle

To get a grey puzzle in the third playing board (or higher), keep pushing “A” to keep your token on the gray square. Eventually it will give you a puzzle. It’s not worth anything, but it’s a fun little idea. And you still get to go anywhere on the board.