Earth City - Mars Age - Forge of Empires

Small Resedential

Sentinel Dome (Military)

Steel Warden Station (Military)

Space Marine Barracks (Military)

Sniper Bot Facility (military)

Rocket Silo

Observatory Antenna

Main City rocket platform

Research Lab

Space Academy

Mars Age Units

Thanks to Vincent Ganachaud and Henning Gawrisch for making such nice 3D representations.