Games like Mad Day 2: Shoot the Aliens

Here are some great alternatives to Mad Day 2: Shoot the Aliens by SMOKOKO LTD :
Orbital Strike : Space Shooter
Orbital Strike : Space Shooter
★4.4
Overspace: Alien Shooter RPG
Overspace: Alien Shooter RPG
★4.6
Xeno Alien Shooter: Space Game
Xeno Alien Shooter: Space Game
★4.2
Galaxy Shooter Alien Attack
Galaxy Shooter Alien Attack
★4.0
Sea Invaders - Alien shooter
Sea Invaders - Alien shooter
★4.4
Infinity Shooter
Infinity Shooter
★4.2
Space Quest: Alien Invasion
Space Quest: Alien Invasion
★4.4
Alien Hunter: 2D Shooting Game
Alien Hunter: 2D Shooting Game
★4.6
Fire game 3d - fun gun games
Fire game 3d - fun gun games
★4.3
Alien Hero: Ultimate Battle
Alien Hero: Ultimate Battle
★3.6
Galaxy Invader: Alien Shooting
Galaxy Invader: Alien Shooting
★4.7
Farm Invasion USA
Farm Invasion USA
★4.5
Hero Alien Fight Battle Force
Hero Alien Fight Battle Force
★3.6
Alien Shooter: Galaxy Invaders
Alien Shooter: Galaxy Invaders
★4.5
Galaxia Invader: Alien Shooter
Galaxia Invader: Alien Shooter
★4.5
Universe Invader 2: Alien War
Universe Invader 2: Alien War
★4.6