MixMod Map Pack file
As long as your mod does not override the default Red Alert 3 units you may use this map pack to play against them with any mod :) So for example take Generals Evolution. Want to play the U.S. Army vs Red Alert 3 Japan? Go ahead and do so. Want to play...
Us Army Red Alert Mixmod Map Pack Play Any Mod Vs The Default Red Alert 3 Factions For Cc Ixmod Map Pack Evelopment Tools
Source: moddb.com