Some people made a VF-1 Robotech mod for Armed Assault. Now I'm working on Zentradi mod for Unreal Engine 3 (Unreal Tournament 3 Engine) and Cryengine 3 (Crysis 2 Engine).
I made a Gundam Mod as addon for DesertCombat mod for Battlfield 1942 before...
Here Cryengine 3 works: