Select a two player game. At the Vs. screen, player one must press B, R, and A to select the first three characters of the Kode, and player two uses the same buttons on a second DS for the last three characters. Enter a valid Kode before the Vs. screen fades. Pressing a button will cycle the specific character to which it is assigned:

STAGE - CHEAT CODE
Belltower stage - 091 190
Bridge stage - 077 022
Graveyard stage - 666 333
Jade's Desert stage - 330 033
Kahn's Kave stage - 004 700
Kahn's Tower stage - 880 220
Kombat Temple stage - 600 040
Noob Saibot Dorfen stage - 050 050
Pit 3 stage - 820 028
Rooftops stage - 343 343
Scislac Busorez stage - 933 933
Scorpions Lair stage - 666 444
Soul Chamber stage - 123 901
Street stage - 079 035
Subway stage - 880 088
Waterfront stage - 002 003
Infinite Run - 466 466
Unikoriv Referri: Sans Power (one hit KO) - 044 440
Throwing Disabled - 100 100
Throwing Encouraged - 010 010
Silent Kombat - 300 300