Best alien games for free download by size reverse

Make a raid deep into alien force positions to eliminate the threat for your homeworld. You'll encounter lots of different alien ships, upgrade your weaponry with extra-weapons, blow up enemy barriers and defeat powerful bosses.

In this amazing old-school platform game you will guide Dylo, a cool dino who gets involved into the risky adventure of saving his prehistoric homeland from outer space invaders. Help him to take down the evil martians and their twisted plans!

Non-stop action space shooter with simple controls suitable for all ages! Shooting has never been so addictive. Clash'N Slash arcade game will hold you for a long time and innovative bonus system will make your game experience colorful and fun.

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

Strange Adventures In Infinite Space is a hybrid space adventure game in which players explore exotic star systems, seek out new technologies, artifacts and lifeforms, and boldly blow up stuff where no one has blown up stuff before!

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.

Action gaming at its finest! Featuring intense gameplay and tons of missions. It will take quick reflexes and a steady hand to conquer these nasty aliens.

Space station Icarus is under attack! Help Hap Hazard fight through forty levels filled with angry aliens, terrifying traps, and stupifying challenges to stop Otto Oblivion!

GunRaven is intense top-scrolling arcade action for the PC, using a high-res screen and hardware acceleration to achieve amazing effects. GunRaven offers hours of traditional addictive fun wrapped in a completely new and updated package.

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

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!

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!!!

Defensor is a superior quality, horizontally-scrolling, shoot-them-up. Protect the humanoids from abduction and more. Destroy the multiple alien bug types, all with individual characteristics, collect bonuses and power-ups, & battle the mother alien.

Help Selena rescue her parents by competing against the evil robot 'Seth' - in this fiendish brain bending puzzle game.

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

Pumpkin Games' tribute to Eugene Jarvis's seminal arcade shooter Defender features all the ingredients that made that game a classic. Alien Abduction is the game shoot 'em up fans have been waiting for.

Aliens vs Bomberman remake old popular classick game Bomberman. In this game you must help Bomberman blast all monsters on each level. In this version you find 50 levels. But in unregistered version available only 5 levels.

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!

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.

Take control of Laser Dolphin to experience action, adventure, and underwater fun. You will need to use all of your cunning to evade and destroy the bizarre sea creatures that you encounter. Missile Fish, TNT Turtles, Robo Sharks, and more!