Aliens

Run Away 3 is an free running game where a little alien dude is astray and need to rush through space and explore the galaxy. He can never stop, otherwise it's game over!

Zombie Catcher Online is a cool game where you'll join the little green alien who was hired to capture all the zombies which escaped from the lab and throw them back to their cages.

Zillion is a Master System metroidvania-styled action-platformer from 1987. It's based on the anime and the same name and features an emphasis on exploration and problem-solving in an alien-controlled underground base.

Starship Defender is an endless, retro-styled and side-scrolling shooter where you must command your defend your space sector against an incoming alien invasion and prevent our scientists being abducted by their ships.

Eliatopia is a MMORPG where you'll explore the fantastic Eliatopia, a newly discovered planet inhabited by aliens. It seems something is rather strange on this world. Just make sure you have some good swords and armor...

Frontline is a cool game that combines old arcade classics such as Space Invader and Galaxian with a idle/merge gameplay style, lots of fighters and weapons, huge bosses and cool pick-ups to collect.

Super Billy Boy is a very cool and colorful platform game inspired on Super Mario Bros. where you'll embark on an adventure full of enemies and dangerous traps. Features pixel art graphics and retro style and is a lot of fun!

Doom Dr SciFi is an online FPS heavily inspired by the id Software's classic, but has simpler controls and mission: destroy the mechanized-armored slime aliens and explore a magic space maze.

Space Prison Escape 2 is a platform-puzzler where our heroes were surrounded them before they could get back to Earth and now must escape from a space prison by finding minerals and the door to the next level on each floor.

Sagaia (Darius II) is a Taito's shoot 'em up where you will help Proco Jr. and Tiat Young face seafood-like enemies in the solar system. Play it's Genesis/Mega Drive port here online, for free!

Auto Shooter is a cool online run and gun game where you'll be playing as a hero who has to clear different locations from all the infesting alien creatures that are lurking in these.

Robots vs Aliens is an online Plants vs Zombies-inspired strategy game where you need to build defensive robots to combat the aliens, which are trying to invade your base.

Alien Invaders.io is crazy online game where you'll control a UFO spaceship to defeat other aliens. Move as fast as you can, abduct earthly, boosters and other alien invaders!

Atari Asteroids is an enhanced remake of the classic space-themed multidirectional shooter arcade game where you control a single spaceship and have to shoot asteroids and watch out for the traversing flying saucers!

In Aliens Attack, a casual online shoot 'em up, the Earth is under attack and The humanity last hope is a team of slightly forgotten heroes. Help Ramdo, Bernie, Mr. Zee, Ivan and Sgt. Pepper fight off those blue invaders!