Pilot a UFO through a vibrant world, abducting objects to grow your ship and become the strongest. Enjoy realistic physics and unlock new spaceships with earned coins. Play anytime, day or night, in this addictive .io game.





10+ similar games compared and reviewed
Looking for something like Alien Slime? We've analyzed 10+ similar apps and games to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.





Pilot a UFO through a vibrant world, abducting objects to grow your ship and become the strongest. Enjoy realistic physics and unlock new spaceships with earned coins. Play anytime, day or night, in this addictive .io game.



This one-touch arcade game challenges you to keep a planet in orbit around a black hole. Dodge obstacles and gravitational pull to survive and score points. Unlock new skins and compete on global leaderboards.






Launch yourself with a spear to hit targets and take down invaders in this fast-paced action game. Master precise timing and aim to survive and achieve high scores.


Tap snowflakes to freeze the screen and catch falling coins before they hit lava. Avoid bombs to keep your score. Compete globally on leaderboards and earn rewards for referring friends and daily check-ins.


Engage in a classic side-scrolling space shooter. Aim to eliminate waves of aliens while avoiding their attacks and carefully managing your shots to score points. The game ends if three aliens get past you or if your ship is hit.




Engage in a hyper-casual space war by tapping to destroy hostile spaceships. Upgrade your alien heroes to increase damage and unlock new abilities. Enjoy a stress-relieving, offline gaming experience.






Defend cute Blobs from monsters on an abandoned planet in this fast-paced arcade shooter. Tap to fire, but be careful not to hit your friends or scare them too much. Survive increasingly intense waves of enemies and unlock new weapons and modes.