Games like IMPERIUM

Here are some great alternatives to IMPERIUM by John Boukhal :
Starborne: Frontiers
Starborne: Frontiers
★4.5
Dune: Imperium Digital
Dune: Imperium Digital
★4.8
Archformer: Platformer Shooter
Archformer: Platformer Shooter
★3.6
Gunship
Gunship
★3.6
Voidmancer Adventure: Idle RPG
Voidmancer Adventure: Idle RPG
★4.4
Shadow Squad: Survival
Shadow Squad: Survival
★4.3
Diverse Block Survival Game
Diverse Block Survival Game
★4.1
Cyborne
Cyborne
★3.8
Mecha Arms Mayhem
Mecha Arms Mayhem
★3.5
Stickman Physics Battle Arena
Stickman Physics Battle Arena
★3.9
Bio ops : Real Commando 3D FPS
Bio ops : Real Commando 3D FPS
★3.7
Slime Conquer: Epic Battles
Slime Conquer: Epic Battles
★4.0
Mech Era
Mech Era
★3.1
Machinal Instinct
Machinal Instinct
★3.8
Pickle Pete: Survivor
Pickle Pete: Survivor
★4.2
Beaver Blade
Beaver Blade
★3.9