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Cheats for just about every gaming console on the market including PS/2, Xbox, SNES, Gameboy and more.

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Game: Yoshi's Story
Console: SNES

Cheat:

Mario Demo

At the main menu, press x, y, b, a, x, y, b, a, a, y. A menu should pop up saying 'Mario Demo'. Press a to play a level of Super Mario 3.