Teenage Mutant Ninja Turtles II: Arcade Game Cheats (Nes)

On the screen where the title of the game and the choice for number of players appears,
press Down five times, Right seven times, B and A. Select the number of players with the
Select button, and then press Start. Choose your turtles and a screen will appear that
says "Stage Select." Select your stage by pressing Left/Right, and then press Start.

On the screen where the title of the game and the choice for number of players appears,
press Up, Right, Right, Down, Down, Down, Left four times and A. Select the number of
players with the Select button, then press Start.

On the screen where the title of the game and the choice for number of players appears,
press B, A, B, A, Up, Down, B, A, Left, Right, B and A. Select the number of players with
the Select button, and then press Start. Choose your turtles and a screen will appear that
says "Stage Select." Select your stage by pressing Left/Right, and then press Start.