Tetris DX Cheats (GameBoy Color)

Press Start to pause game. Then turn Game Boy off. When the unit is turned on again, a
"Continue" screen will appear.

Hold Left until a piece touches the wall. Continue to hold d-pad Left and rapidly tap A.
Alternately, hold Right and rapidly tap B. (Note: Cheat does not work on symmetrical
pieces like the square and straight bar.)

Press Start + Select + A + B during game.

Press Start during game. Then press Select. The preview window will not display the next
piece when game resumes.

Press Select during demonstration mode to display an aquarium screen. Press A (x2) to
return to demonstration mode then display a confetti screen. Press B (x2) to return to
the demonstration mode then display a chalkboard.