Co-Op

Story and survival modes

Alien Breed Trilogy

Insectoid creatures are attacking your spaceship. Survive, explore, escape... you know the drill.

Damnation

Formerly a UT2004 mod, Damnation is a UE3-based third-person shooter/climber set in a steampunk Far West.

Section 8

Section 8 is a first-person shooter developed by TimeGate Studios and published by SouthPeak Interactive. It utilizes the Unreal Engine 3. In the game, characters wear powered armor suits which provide damage absorption and augmented mobility. Players can use "overdrive" to move horizontally at superhuman speeds, or activate vertical thrusters (jetpack) to achieve new heights.

Warhammer 40,000: Dawn of War II Retribution

Dawn of War II is a real-time strategy/tactical role-playing video game developed by Relic Entertainment and published by THQ based on the fictional Warhammer 40,000 universe. It is the sequel to the Warhammer 40,000: Dawn of War video game series.

PT Boats: Knights of the Sea

PT Boats: Knights of the Sea is a naval simulation that places gamers in charge of a mosquito fleet of the Allied Forces, Russia or Germany during the height of World War II. Torpedo and storm-boats, trawlers and patrol ships plough the seas. Their advantage is speed and maneuverability. Suddenly they appear in front of the enemy with devastating firepower and then vanish in the morning haze. They are hard to spot and difficult to catch.

Lego Indiana Jones 2: The Adventure Continues

Lego Indiana Jones 2: The Adventure Continues lets you wreck brick-havoc across the fourth movie's scenes, but it's also a completely new take on the previous trilogy. This title brings a lot of improvements and changes to the Lego series: the more open level branching, finally subtle use of next-gen FX and level editor all contribute to the renewing of the Lego/movie super-franchise, just in time for the upcoming Lego Harry Potter game. The new free-form gameplay and vast hub zones will have you begging for a minimap though.

Star Trek DAC

Star Trek: D·A·C is a fast-paced, top-down action shooter inspired by the new J.J. Abrams’ motion picture. This pick-up and play game allows you and your friends to choose starships and battle it out via online multiplayer or co-op modes. Choose your side, fire your weapons, boldly go!

The game was removed from the Steam store in June 2013.

Project64

Project64 is a proprietary Nintendo 64 emulator for Windows. It employs a plug-in system that allows third-party software developers to create their own implementation of a specified component. Project64 allows the user to play Nintendo 64 games on a computer by reading ROM images, either dumped from the read-only memory of a Nintendo 64 cartridge or created directly on the computer as homebrew