Games like Alien Survivor: Base Defence

Here are some great alternatives to Alien Survivor: Base Defence by Omen games :
Alienum: The Alien War Battle
Alienum: The Alien War Battle
★4.5
Alien Survivor:Twisting Blades
Alien Survivor:Twisting Blades
★3.4
Operation: New Earth
Operation: New Earth
★3.8
Alien Creeps - Tower Defense
Alien Creeps - Tower Defense
★4.4
Star Farm: Merge Tower Defense
Star Farm: Merge Tower Defense
★4.1
Tower Defense: Alien Invasion
Tower Defense: Alien Invasion
★4.0
Last Base: Zombie Survival
Last Base: Zombie Survival
★4.1
Height Survivor
Height Survivor
★3.6
Space Survivor: Alien attack
Space Survivor: Alien attack
★3.7
Alien Invasion: Gun Defense
Alien Invasion: Gun Defense
★4.0
Mars Survivor - Relaxing Game
Mars Survivor - Relaxing Game
★4.0
Alien Invasion: RPG Idle Space
Alien Invasion: RPG Idle Space
★4.3
Space Survivor - Star Pioneer
Space Survivor - Star Pioneer
★4.3
Loot Legends: Robots vs Aliens
Loot Legends: Robots vs Aliens
★4.5
Idle Survivors: Last Stand
Idle Survivors: Last Stand
★4.2
Space Colonizers - the Sandbox
Space Colonizers - the Sandbox
★4.1