Best alien games for free download by popularity

Shoot aliens in this action shooting game: Fight 45 arcade style enemies in 15 alien empires and 135 levels. Shoot whatever moves (or doesn't move for that matter), pick up in-game powerups and unlock stronger ships.

AlienOutbreak is the most addictive space shooter in the solar system. In fact, it is so much fun the government will probably outlaw the game soon. So hurry up and get your FREE trial version while you can. Show that alien scum what you are worth!

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.

Match colors while connecting shapes in this beautiful and challenging puzzle game. Drifting through space with the stars as your backdrop, you must advance through increasingly difficult levels to escape the Ashalii Trap.

Stop alien creepers by using strategy and race against the clock to remove obstacles, gather resources and complete thrilling quests!

Asteroid-blasting arcade game featuring stunning raytraced graphics, awesome power-ups and 18 different types of enemy craft, spread over a massive 75 action-packed levels. Totally spyware-free!

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!

A Sequel to the popular Commodore 64 game. In Space Taxi you pick up and deliver a variety of funny passengers like robots, aliens, and old men. Game features many futuristic settings with obstacles like meteor showers, black holes, and monsters.

The penguin family is thrilled to discover a new palette of colors for mosaic puzzles!

Tired of killing slimy aliens and blow up zombies? Do you want a new gaming experience? Try 3DSpins! 2. You move your spinning top , jumps over platforms, fires radio-controlled missile through a beautifully 3D maze. 100 levels! Eng,Deu,Fra,Ita,Esp.

Destroy the solar panels the invading aliens use as their source of energy, and save the world in Tuber Versus the Aliens!

Clash'N Slash: Worlds Away: a sequel to our highly addictive arcade space shooter. Players must defend the planet from aliens with a variety of space based weapons and power-ups.

This is one of the best Minesweeper game available under Smartphone and Pocket PC. Go hunting mines, fruit worms and aliens in colored backgrounds and amazing environments. Three difficulty level and four different themes are waiting for you.

Crazy soccer fun with traps and tricks galore!

Winged Warrior III is the third role playing game in the series. In this adventure, the Winged Warrior must stop a mysterious, metallic armored foe who is attacking the Alien World with magic. Published by Dataware.

Beyond the sky lies a thrilling adventure... and a deadly threat!

Cramgene is a unique puzzle game inspired by today's advances in genetic science. One to 2 players compete through rounds, deciphering creature DNA to create specific meals for bizarre pets.

Get on board the spaceship with Hercules, explore distant planets, find extraterrestrial life and save the galaxy from a dangerous monster!

Build your own spaceship and destroy foes in the fierce battles, in this cool mix of Star Control fights and gameplay of Quake III Arena. There are five game modes, high level of AI, and Internet Table

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