Sadam and Osama went together to a secret lab and changed themselves in to flies hoping that in that help them escape the hand of justice. But they did not know that you are the one behind a machinegun waiting to take them both down.

ArenaXcape is a multiplayer arena shooter game based on AlienXcape. In ArenaXcape you can battle with three of your friends over a LAN or the Internet. Check out all OTS Software games at http://www.OTSsoftware.com

Medusa's Lair is a 3D FPS game. You have entered Medusa's Lair, a large, cavernous den crawling with Medusa's evil spawn. Fight your way through this confusing lair to destroy Medusa. Visit http://www.OTSsoftware.com for more free games.

Alien Exterminator is a 3D first person shooter game. You are an alien exterminator and you have been sent to a space station that is infested with aliens. Now Vista compatible and still free. Visit http://www.OTSsoftware.com for more free games.

The endless darkness and the somber, long passages of a military complex have become the abode of evil, as thousands of blood-thirsty creatures fill its offices, storehouses and mysterious laboratories.

The human race is in danger again. This time scientists could not cope the imminent threat and became monsters themselves. Crowds of zombie people filled the secret research base. The dreadful contagion is about to spread earthwide.

Alien Shooter 2 is the unique alloy of arcade action and RPG elements which combines well-established world of classical Action games.

Theseus - Return of the Hero is the logical sequel to Alien Shooter.
Despite all the human efforts to resist monster invasion, the blood-thirsty creatures keep occupying new territories.

People lost their trust in good and as a result the pure evil is taking over the world. Go out there and kill all the evil creatures

Aliens landed and want to take over the world. You just cannot let that happened. You are a gunman owning a powerful anty-alien weapon. But a good gun without a great shooter means nothing. Kill those ugly creatures.