With a homicidal alien spacecraft inbound at high speed, Skull and Raphaela fly to meet it in a desperate bid to buy time for the Earth. In the meantime Brigadier Spooky Nguyen presses to build the world's first space battleship while Colonel Muzik and Master Sergeant Repeth fight a life-and-death battle to return civilization to the nuked and plague-ridden nation's capital.

Plague Wars: Decade One
- The Eden Plague
- Reaper's Run
- Skull's Shadows
- Eden's Exodus
- Apocalypse Austin
- Nearest Night

Plague Wars: Alien Invasion
- The Demon Plagues
- The Reaper Plague
- The Orion Plague
- Cyborg Strike
- Comes the Destroyer
- Forge and Steel

Plague Wars: Stellar Conquest
- First Conquest
- Desolator
- Tactics of Conquest
- Conquest of Earth
- Conquest and Empire