At the Title screen, press Up, Up, Down, Down, Left, Right, Left, Right, B, A.
Vote for the GB cheat codes |
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Player vs Player
On the Title screen, press Up, Up, Down, Down, Left, Right, Left, Right, B. Then before
the screen changes, push A or B to alter the color of your opponent's player. A will
darken the color while B will keep the colors the same. The code will stay in effect until
the power is turned off.