The New Tetris Cheats (Nintendo 64)

Start a single player game and enter 2FAST4U as the name. Highlight OK and press A to
start.

Enter your name as "2fast4u" in the single-player name entry screen.

To clear all the lines on your New Tetris Pak and reset all the Wonders, enter "O1DERS" as
your New Name. To clear all Game Pak data, including high scores, enter "1N175R4M" as your
name.

Enter the audio options screen and set the song to "Haluci" and the music mode to
"Choose". Select single player mode, enter "HALUCI" as a name, then highlight "OK"
and press A. A kaleidoscope will now appear in place of the game. Note: The
Nintendo 64 must be reset to quit this mode.

Select single player mode, enter "1N175R4M" as a name, then highlight "OK" and
press A.

 Game Shark Codes 

Select single player mode, enter "O1DERS" as a name, then highlight "OK" and press
A.

Select single player mode, enter "AI2EZ4U?" as a name, then highlight "OK" and press A.
When the game begins, the CPU's blocks will fall very quickly, while your blocks will
remain at normal speed.

Go to the options screen and change the song to Haluci and the music mode to Choose.Now
start a single player mode and put in HALUCI as the name, highlight OK and press A to
start.

Select single player mode, enter "AI2EZ4U" as a name, then highlight "OK" and press
A. When the game begins, the CPU's blocks will fall very quickly, while your blocks will
remain at normal speed.