Version 0.9.0 recently introduced major "under-the-hood" changes and map tooltips as the game moves toward full release. 3. Red Alert 2: Apocalypse Rising

Early versions of this mod focused on expanding the unit caps and adding the "Apocalypse" tier of units to standard skirmish and campaign maps. 2. Bad 2 Bad: Apocalypse

Depending on which "Apocalypse" you're playing, here are the most likely story backgrounds for version 0.9: 1. Ultimate Apocalypse (Warhammer 40,000: Dawn of War Mod)

This is a popular mod that turns the classic RTS into a first-person shooter.