魂斗罗4全隐藏要素解封！

MS东西很多啊！

Unlockables
Challenge Mode
Complete the game on any difficulty to unlock Challenge Mode. This includes Easy.

Contributed By: BlackFlareVivi
Challenge Mode Unlockables

Unlockable How to Unlock
Contra (NES) Beat 4 challenges in Challenge Mode
Contra 4 DS Promotional Comics Beat 32 challenges in Challenge Mode
Contra III Comic Beat 24 challenges in challenge mode
Extras Museum and Sound Gallory Beat 40 challenges in Challenge Mode
Jimbo & Sully Beat 36 challenges in Challenge Mode
Lucia (Character) Beat 20 challenges in challenge mode
Nobuya Nakazato Interview Beat 16 challenges in challenge mode
Probotector Beat 12 challenges in Challenge Mode
Sheena Etranzi Beat 28 challenges in Challenge Mode
Super C (NES) Beat 8 challenges in Challenge Mode