X-Com Nations

America

Special Unit: SEAL

Britain

Special Unit: Sniper

China

Special Unit:

France

Special Unit:

Japan

Special Unit: Robot Tank

Russia

Special Unit: Flame Thrower

Civilian

Special Unit: Paratroopers
Alien Sects

Sectoid

Special Unit: Sectoid Commander & Molecular Control Beacon
Veteran Unit: Sectoid

Muton

Special Unit: Muton Commander & Ion Cannon Uplink
Veteran Unit: Muton
Replicators