Games like UFO99

Here are some great alternatives to UFO99 by Noice2D Game Studio :
Incredible Monster Hero Games
Incredible Monster Hero Games
★4.4
Super Uncle's World
Super Uncle's World
★4.3
Attack the Block: Shoot'em Up
Attack the Block: Shoot'em Up
★4.4
Soul Maskers
Soul Maskers
★4.5
Grind Infinity
Grind Infinity
★4.5
Angry Slingshot Monsters
Angry Slingshot Monsters
★3.9
Elroi : Defense War
Elroi : Defense War
★4.5
Super Mombo Quest
Super Mombo Quest
★4.7
Vortex 9 online shooting games
Vortex 9 online shooting games
★4.4
Squad Busters
Squad Busters
★4.2
Super Wings Mission Challenge
Super Wings Mission Challenge
★4.0
Breaking Gates
Breaking Gates
★4.4
Spot it! Go!
Spot it! Go!
★4.2
Zap Attack!
Zap Attack!
★3.8
Alien Guest: UFO arcade
Alien Guest: UFO arcade
★4.3
Radiant
Radiant
★4.7