Tetris DS Cheats (Nintendo DS)

To unlock this, you have to finish Standard Mode. (Get over 200 lines) This will be
accessible as a switch when picking the Level in Standard Marathon Mode.

These tracks are obtainable via Standard Marathon Mode.

Ancient Tetris (Tetris GB - Music A) - Get to Level 19 

Balloon Tetris (Touch Mode Theme) - Get to Level 14 

Basement Tetris (SMB 1-2) - Get to Level 3 

Bowser Battle (SMB 1-4) - Get to Level 10 

CongraTetris - Finish Marathon (Get over 200 lines) 

Mario Tetris 3 (SMB 3 Overworld) - Get to Level 4 

Rushed Tetris - Get to Level 16 

Tetris Climber (Ice Climber Theme) - Get to Level 15 

Tetris DK (Push Mode Theme) - Get to Level 13