Aliens

Atlantic Sky Hunter Xtreme is a retro styled shoot 'em up where you'll embark on an adrenaline-fueled journey across the open sea to face challenging UFOs and their formidable bosses. It's endless and features easy controls.

Galaxy Force is a shooter that looks like After Burner with a sci-fi setting, where you'll face Space Harrier-style enemy attack waves in space and/or alien planets. Play the Master System version here, online!

Zillion: Assault on Maris is a shooting gallery/rail shooter inspired b the anime Zillion and a remake of an old Mater System game named Assault City. Use godsend weapons to fight the murderous Nohzas and save Maris!

Rebel Wings is a side-scrolling shoot 'em up where you'll take on missions through hostile areas with your ship shooting baddies with your lasers and homing missiles. Join the rebels and re-take back the Earth!

Retro Space Blaster is an Asteroids-inspired multidirectional shooter where you'll face several missions with hostile extraterrestrial beings and large space objects. Take aim and wipe out the UFOs and asteroids!

Cat vs Kripotians is a online adventure and top-down shooter where we have to help Kitty save his people from the terrible Kripotians in delicious pixel art beautiful levels.

Alien Bubbles is a challenging shooter inspired by bubble puzzlers, but features unique mechanics and rules. Shoot the aliens with arrows of the same color at the right moment!

The Last Man is an top-down survival horror where the objective is to escape from a facility infested by aliens. Collect all the weapons and gears on your way and find a way out!

This is a fun online Space Invaders remake that keeps its classic style but adds some nice illumination effects. Your planet is under attack and you need to defend it!

Laser Cannon 3 is a physics-based puzzler-shooter where it's up to you to clear each stage from annoying alien creatures using your mighty cannon with as less shots as possible.

Laser Cannon 3: Levels Pack is a physics-based puzzler-shooter where the objective is to shoot, squash, blow up and destroy all the monsters using ricochet shots, explosive barrels or other helpful stuff.

City Siege 4 - Alien Siege is a free online game that combines platform, shooting and strategy and is set on another planet, where you'll arm yourself with advanced units and laser guns and take on evil alien-plants.

Invaders War is a fixed shoot 'em up inspired by one of the first games ever created, Space Invaders. Defeat all aliens and win each level, advancing to accumulate as many points as possible!

Zillion 2: Tri Formation (1988) is a Master System run and gun 2D platformer based on the sci-fi anime series where JJ has to stop the Norsa from invading and rescue his teammates from a gigantic alien battle fortress.

Angry Heroes is a physics-based puzzler-shooter where you'll join our cute birds, once again, to destroy all aliens and save the world. Master the slingshot to take on the monsters!