Nintendo DS :: Tetris DS Cheat Codes

Standard Endless mode
Get over 200 lines to complete Standard mode to unlock the "Endless" option when selecting a level in Standard Marathon mode.

Bonus music tracks
Successfully complete the following tasks in Standard Marathon mode to unlock the corresponding music track at the sound test menu:

Ancient Tetris (Tetris GB Music A): Reach level 19

Balloon Tetris (Touch Mode Theme): Reach level 14

Basement Tetris (Super Mario Bros. 1-2): Reach level 3

Bowser Battle (Super Mario Bros. 1-4): Reach level 10

CongraTetris: Successfully complete Standard Marathon mode

Mario Tetris 3 (Super Mario Bros. 3 Overworld): Reach level 4

Rushed Tetris: Reach level 16

Tetris Climber (Ice Climber Theme): Reach level 15

Tetris DK (Push Mode Theme): Reach level 13