Global Defence Force
Unlockables
Unlock IMPOSSIBLE difficulty level
Complete the game on all 5 available difficulty levels for all 71 missions with both characters to unlock the IMPOSSIBLE difficuly level.
Contributed By: Eiji.
Global Defence Force Resources
GameFAQs
Visit GameFAQs for more Global Defence Force, including 1 FAQ, 1 cheat, 1 review, 4 game saves, and 3 box shots .
