Games like Sigma Theory

Here are some great alternatives to Sigma Theory by Plug in Digital :
MechCom 3 - 3D RTS
MechCom 3 - 3D RTS
★3.9
Conflict of Nations: WW3
Conflict of Nations: WW3
★4.4
Strategy&Tactics 2: WWII
Strategy&Tactics 2: WWII
★3.7
Diamant Rose
Diamant Rose
★4.1
Blacklist: Special Ops Shooter
Blacklist: Special Ops Shooter
★3.9
World Empire
World Empire
★4.3
Latin America Empire
Latin America Empire
★4.1
Middle East Empire
Middle East Empire
★4.2
Asia Empire
Asia Empire
★4.4
Africa Empire
Africa Empire
★4.3
MA 1 – President Simulator
MA 1 – President Simulator
★4.2
Secret Agent Elite Spy Mission
Secret Agent Elite Spy Mission
★3.5
Nuclear War 2
Nuclear War 2
★3.9
Age of Warpath: Global Warzone
Age of Warpath: Global Warzone
★4.0
World Conquest: War & Strategy
World Conquest: War & Strategy
★3.7
Call of War: Frontlines
Call of War: Frontlines
★4.6