Best alien games for free download by popularity

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!

Astro Hunter 3D Deluxe is an asteroid shooter arcade game for your windows XP computer. It uses 3D graphics, and requires microsoft directx 9.0. There's a lot more here than the basic asteroids game — lots of cool powerups and weird aliens to defeat

Crystal Power is an exciting and challenging puzzle game where you fill energy tubes to power your spaceship home. Energy tubes light and pulsate in brilliant colors when the right combinations of power crystals are placed.

Experience total control over your ship and destiny in this high-speed shooting game where unlimited ammo is just about enough. Shoot your way through hundreds of waves of alien aggression. Save mankind in an epic adventure of top-scrolling action.

You are a hero. You are sent to destroy alien aggressors and to save the Earth from enslavement. Your mission is to fly through hordes of enemy starships and to kill the head of the alien fleet - Commander Lord-Marshall.

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 Arcade Park collection is meant to revive the legendary games of the past. It includes the following games: Arcade Ball, Asteroids, Rushman, Digger, Gold Hunter, Galaxy Invaders, as well as military games Real Tanx and Riverside Assault!

Defend Fluffies from invading aliens. Evil aliens attempt to mutate your Fluffies into malevolent Lime Jellies. You must defend them with your lasers, smartbombs, and missiles. Hardcore laser blasting arcade action similar to Williams' Defender.

Anthelion is an award winning 3D space combat game from PDAmill for the Pocket PC. As an ace fighter-pilot for a band of space pirates, your job is to eliminate alien scum and collect as much space booty as you can!

When Katya awakens on Kuros, she finds a mysterious alien world teetering on the brink of destruction! Piece together her past!

Aliens have kidnapped Sprill and won`t let him go until he finds a special pearl that will save their planet!

Strap in and prepare for the most intense battle! Protector puts you in the hot seat to defend mankind against an alien force!

Help! Aliens! is our new 3D action adventure game for your PC, laptop, notepad or netbook set on an alien spaceship. You are a secret agent sent to rescue the President from the invaders. Your mission is simple: Kill them all!!!

Create your own 3D arenas, bound between rooftops, and fight swarms of enemies in this fast-paced first-person shooter.

Warblade is a PC arcade shoot'em up game with focus on very good playability. The game is a remake for the PC of my Amiga game Deluxe Galaga. Was one of Adrenaline Vaults top shareware games! The game requires DirectX 8.1 or later.

Drop colored blocks and try to form lines that will react and disappear. Use your tools wisely to get the high score!

You have to liberate your planet system from alien invasion using your spacefighter. Player can obtain various extra-weapons and special abilities by destroying enemy cyborgs, fighters and motherships. Each planet has its own cyborgs and bosses.

Add one part Space Invaders and one part Galaga, then shake with twist of Asteroids to get AstroRaid, a modern version of an arcade space shooter. Use your missiles wisely and collect power-ups to survive the waves of alien assaults.

Assume the role of a valor space pilot able to withstand the force of enemy legions. Earn money to buy equipment and various guns that will help on your quest. The game is crafted using a powerful 3d engine and offers an absorbing hardcore gameplay.

Galacticards is the new Addictive Card Based Space Strategy Game of Exploraiton and Expansion.