Gaming4Dummies.com
Platform: Game Boy

Codes For Tetris 2
Tetris 2

Easy mode:
Hold Up + Start at the title screen until the next screen appears. Game play will begin with less bombs and slower bricks.

Climb the sides:
Hold a falling piece that is not in the shape of a square or line against the wall. Then, repeatedly press A if it is against the left wall, or B if it is on the right wall.