| Bonus | How to unlock
|
|---|
| - Beat 4 challenges in Challenge Mode
|
- Contra 4 DS Promotional Comics
| - Beat 32 challenges in Challenge Mode
|
| - Beat 24 challenges in challenge mode
|
- Extras Museum and Sound Gallory
| - Beat 40 challenges in Challenge Mode
|
| - Beat 36 challenges in Challenge Mode
|
| - Beat 20 challenges in challenge mode
|
- Nobuya Nakazato Interview
| - Beat 16 challenges in challenge mode
|
| - Beat 12 challenges in Challenge Mode
|
| - Beat 28 challenges in Challenge Mode
|
|
| - Beat 8 challenges in Challenge Mode
|
