Best alien games for free download by size

Earth is being invaded by aliens, very hungry aliens. It's your job to send them back to the parallel universe from which they came. You have two weapons to do this with - your rooster booster and hen grenades - good luck!

Aliens are invading and you're the last hope for humanity! Your mission, should you accept it, is to save the world!

Save the Earth from the giant insectoid Shlongg Dominion in this exciting 3D fusion of Breakout and Tunnel Racing!

Chewsters is a funny casual game, in which you need to make groups of three or more aliens of the same color to make them disappear.

Save the Earth from evil alien invaders from Titan! Fight your way across the solar system to defeat the aliens on their homeworld. Upgrade your ship with bigger guns from bounty money. Defeat the alien mothership!

If you're one of the millions of players who are already hooked, Sudoku Adventure will challenge you in new ways.

Chewsters are little aliens that have come to invade the Earth. Help Captain Don defend the planet from invasion!

Navigate dropship through clouds of space junk and face hordes of hostile ground troops upon landing. Use modular assault rifle technology and choose weapons that tip the odds of survival in your favor. Fight the Rakkai Empire!

Cut your way through locations filled with mutants in this 3rd person 3D-shooter. Nice 3D graphics and sound FX, 16 weapons and devices, 3 game modes (Campaign, Firing range, survival), Worldwide Hall of Fame and much more.

Sorrows never cease for the gnome. Help him save his dog from fruit thieving aliens in this surreal adventure game!

Gazillionaire is a wild Simulation game where you explore new worlds, shop for bizarre things like moon ferns, babel seeds and kryptoons, and amass an inter-galatic fortune.

Adrenaline-pumping 3D Orbital Combat Shooter playing in the fururistic N.A.G. universe. You are put in control of an orbital combat drone and your mission is to guard and protect motherships or space stations against hordes of alien intruders.

Save the Kitten Sanctuary from evil alien abductors! Use your Match 3 skills to destroy the aliens` evil traps and free kitties!

A hostile alien fleet threatens humankind. Your mission? Collect the pieces of the top secret weapon that can destroy them all.

Rescue adorable puppies, decorate their surroundings, and play with them to create your very own Puppy Sanctuary!

Battle aliens and save the human race from total destruction in Smash Frenzy 4! Get hooked on this mind-blowing 3D smash 'em up

Enjoy an entirely new Sims gaming experience as you build cities and solve puzzles in this innovative, casual strategy game!

Jill is back in an all-new, out-of-this-world adventure. In Cake Mania 2, its up to you to choose which path Jill will take!

Help the sheep escape from an alien spaceship!

Keep your customers content in Coffee Rush 3! Take each order and then use your Match 3 skills to serve up your delicious java!