Star Reaver
Star Reaver is a freeware arcade style space shooter game, available for free download. Defend your ship from dive bombing alien space invaders. Grab the power ups for powerful new multi-directional weapons that shred the marauding invaders. Free download available for PC and Mac.
http://www.freewareshareware.net/download/sr.exe - 2Mb - Download - Screenshot

ZZed
In this wickedly addictive space puzzler-shooter, you have the dubious honor of collecting and destroying space garbage. All space junk is "color-coded", and in order to destroy it, you have to get 3 or more pieces of garbage of the same color stuck together. ... Download Zzed right away! ... Already stocked up? ... Oh, and by the way, the music is cool and the graphics are excellent. ... Zzed is totally captivating, so get to your neighborhood supermarket and pile up your grocery cart.
http://arcade.reflexive.com/downloadgame.aspx?AID=259&CID=4205 - 7Mb - Download - Screenshot

IronHero
IronHero is real-time 3D tank shooter game with unlimited mission pack and smart enemy AI. As one of tank commanders, you should find and destroy enemy tank platoon. Your teammates will help you to do the job. There are three difficulty levels in game - "Easy", "Normal" and "Hard". ... "Hard" level means "Impossible" and recommended for very experienced players only.
http://www.ironhero.com/ih/v12/ih_setup.exe - 2Mb - Download - Screenshot

Bubble Shooter
Your goal is to clear all the bubbles from the board, scoring as many points as possible. You shoot at them with more bubbles, and when three or more of the same color come together, they all explode. Point your mouse to where you want the next bubble to go (the arrow at the bottom will... It includes three great game modes, Arcade - for people who like quick action, Strategy - the classic mode, and Sniper - if you are a good shooter. ... There can be no draw in this game, either you clean all the bubbles off, or they move all the way down on you.
http://absolutist.com/bubbles/bubshoot.exe - 172Kb - Download - Screenshot

Space Skramble
Space Skramble is a unique space shooter based upon the 80's classic Scramble. Players must dodge or destroy enemy missiles shot from the ground. Players also face swarms of enemy saucers that make maneuvering difficult at best. In some levels you assaulted by a storm of fireballs, that are fast... Pilot error is the only (though formidable) enemy. ... Some levels sends the player into obnoxiously tight machine tunnels.
http://www.tccons.com/SpaceSkramble/Space_Skramble_Install.exe - 16Mb - Download - Screenshot

Bubble Shooter Deluxe
Your goal is to clear all the bubbles from the board, scoring as many points as possible. You shoot at them with more bubbles, and when three or more of the same color come together, they all explode. Point your mouse to where you want the next bubble to go (the arrow at the bottom will... It includes four great game modes, Arcade - for people who like quick action, Strategy - the classic mode, Sniper - if you are a good shooter and Marathon - mode with endless levels. ... There can be no draw in this game, either you clean all the bubbles off, or they move all the way down on you.
http://absolutist.com/bubbles/bubshoot.exe - 3Mb - Download - Screenshot

Arcade Force Game Directory Browser
Arcade Force is an Internet directory for online (web browser based), console, PC, and emulation games, cheats, and resources in a comprehensive range of game categories and platforms. Game categories covered include action, adventure, fighting, horror, Internet, pets, platform, puzzle, racing,...
http://64.34.164.24/setup_af.exe - 1Mb - Download - Screenshot

Back To Earth 2
"Back To Earth 2" is a space arcade scrolling shooter, far superior to other games in this genre. The game is split into 7 episodes, each made of 4 levels. Although there is no clear division between the levels, the final level of each episode ends with a battle with a new alien boss. ... "Back To Earth2" features no offensive or questionable content and is warmly greeted by all kinds of gamers.
http://www.alawar.com/submit/BackToEarth2.exe - 10Mb - Download - Screenshot

Attack of the Little Green Men
The people of Earth are in a panic! A gigantic spaceship has been ominously hovering over the planet for two days now! The world waits nervously, not knowing if the occupants mean them harm. But unknown to anyone, NASA has been developing the world's first space fighter ship for several years. ... Go on the offensive against bizarre enemy aliens in this action-packed side scrolling space shooter that mixes the familiar old school gameplay with amazing 3D graphics and surround sound that completely suck you in.
http://www.fun3dgames.com/download/LGMv12Trial.exe - 1Mb - Download - Screenshot

Marbles Shooter
We are glad to introduce you a new game, which combines the best qualities of arcade games and puzzles. The objective of the game is to clear a glass from colored balls, which are glued to a slowly descending press. Use a rotating cannon to shoot with balls of different color; whenever a group... Take a note of the fact that you will get more points for these balls than for the exploded ones. ... If, however, any ball falls down into the "forbidden" zone near the cannon, the game ends. ... If the explosion leaves any other ball(s) unattached - it (they) will fall down.
http://www.alawar.com/MarblesShooter.exe - 7Mb - Download - Screenshot