7
Valve
3
Freeware
Alien Swarm is a free to play action game with a cooperative mode.
19
Gearbox Software
148
Commercial
Opposing Force the expansion for Half-Life shows how expansions are made.
2
CI Games S.A
534
Commercial
You can battle through 14 levels and prepare to face a barrage of bosses.
2
FunGamesGalaxy.com
164
Alien Riposte presents frantic and addictive action shooter game!
93
KraiSoft Entertainment
42,762
Shareware
A simple, fun and entertaining shooting game for the whole family.
GOG.com
13
Commercial
Prepare for one of the most action packed-shooters in PC gaming history!
4
segabandonware
227
Freeware
This time around, an alien force known as the Phalanx is out to control earth.
51
NovaLogic, Inc
4,414
Commercial
Delta Force®: Xtreme™ brings the classic Delta Force game back to life.
Lanning Software
Freeware
3D action alien battle game.
2
Suck NT
3
Freeware
SuckRoad OFFLINE is an MMORPG game with the theme of war and magic.
105
Softendo
914
Freeware
In this game Ben 10 uses an alien that is something between Heatblast and XLR-8.
41
softendo.com
308
Freeware
You are controlling the Ben 10's alien called Jetray in the see depths.
UberGames
3
Freeware
Elite Force RPG-X is a modification for the game Star Trek Voyager Elite Force.
UltimateArcade
Freeware
Hang The Alien is a puzzle game where you save the alien by guessing the word.
5
Zombie Cow Studios
5
Freeware
Ben There, Dan That! is a free and funny point-and-click adventure game.
7
Cartoon Network
153
Freeware
Bockade Bitz is an Arkanoid-style game based on "Ben 10" characters.
