Contra 4 Nintendo DS Game Cheats

Classic Konami Code:
When the game is paused, enter in this code: Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start.

Acquire Super C:
Finish at least 8 challenges in Challenge Mode.

Acquire Oldschool Contra:
Finish at least 4 challenges in Challenge Mode.

Acquire Challenge Mode:
Finish the game on any difficulty level.


Acquire Probotector:
Complete at least twelve challenges in Challenge Mode.

Acquire Nobuya Nakazato Interview:
Complete at least 16 challenges in Challenge Mode.

Acquire Lucia:
Finish 20 challenges in Challenge Mode.

Acquire Contra 3 Characters:
Finish 36 challenges in Challenge Mode.

Acquire Sound Test:
Finish all 40 challenges in Challenge Mode.

Acquire Bonus Artwork and Content:
Finish all 40 challenges in Challenge Mode.