Games like Alien Survivor: Base Defence

Here are some great alternatives to Alien Survivor: Base Defence by ROASUP Games :
Aliens vs Zombies: Invasion
Aliens vs Zombies: Invasion
★4.7
Alien Raid: Monster evolution
Alien Raid: Monster evolution
★4.0
Alienum: The Alien War Battle
Alienum: The Alien War Battle
★4.5
Operation: New Earth
Operation: New Earth
★3.8
Alien Creeps TD
Alien Creeps TD
★4.4
Space Bound: Planet games
Space Bound: Planet games
★4.3
Tower Defense: Alien Invasion
Tower Defense: Alien Invasion
★4.1
Uprising: Survivor RPG
Uprising: Survivor RPG
★4.4
Space Survivor: Alien attack
Space Survivor: Alien attack
★3.9
Train War: Survival
Train War: Survival
★4.4
Loot Legends: Robots vs Aliens
Loot Legends: Robots vs Aliens
★4.6
Idle Survivors: Last Stand
Idle Survivors: Last Stand
★4.1
Martian Survival
Martian Survival
★4.7
Space Colonizers - the Sandbox
Space Colonizers - the Sandbox
★4.0
Space Survival: Mars RPG Pro
Space Survival: Mars RPG Pro
★3.5
Space Survival: Mars RPG Game
Space Survival: Mars RPG Game
★3.9