Half-Life: Opposing Force

8.4

Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in...

Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally...

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a...

Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic...

Half-Life® 2: Episode Two is the second in a trilogy of new games created by Valve that extends the award-winning and best-selling Half-Life®...

Half-Life 2 has sold over 4 million copies worldwide, and earned over 35 Game of the Year Awards. Episode One is the first in a series of games that...

1998. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. Valve's debut...

Adapt to Survive — An epic story thrusts players into an ever-changing environment, forcing them to adapt their tactics and approach to conquer...

Shortly after landing on an alien surface, you learn that hundreds of your men have been reduced to just a few. Now you must fight your way through...

Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.

A tropical paradise seethes with hidden evil in Far Cry®, a cunningly detailed action shooter that pushes the boundaries of combat to shocking new...

Relive Half-Life in this fan-made re-imagining.

Rage through 32 single player levels and 6 deathmatch levels of sheer terror and fully immersive sound and lighting. Arm yourself against the...

Maybe it was the fact that people got to blow away Nazis. Maybe it was the sheer challenge of it all. For whatever reason, Wolfenstein 3D and Spear of...

The latest chapter in the Quake series is now on Steam!

Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat...

The new action-thriller from the award-winning team at Infinity Ward, the creators of the Call of Duty® series, delivers the most intense and...

Two New, 32-Level DOOM II Episodes. Evilution: Far from earth, the UAC recommenced their experiments on on of the moons of Jupiter. A spaceship,...

A world where time has no meaning - and evil knows no bounds. Torn from a world long gone, the time traveling warrior Turok has found himself thrust...

Aliens Versus Predator Classic 2000 features the Colonial Marine, Alien and Predator Campaigns and the frenetic single-player Skirmish mode from the...

The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!

Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World...

The ultimate collection of games that defined the first person shooter, the BFG Edition includes the entire DOOM series and a remastered version of...

Introducing the Master Levels for DOOM II. Twenty never-before-seen levels all with the same acid drenched, hell spawned horror of the originals. Each...

Call of Duty® delivers the gritty realism and cinematic intensity of World War II's epic battlefield moments like never before - through the eyes of...

FIGHT THE PAST TO SAVE THE FUTURE. STOP THE SINGULARITY. Learn the truth behind a massive cover-up of the catastrophic SINGULARITY, an event that...

Experience the original F.E.A.R. along with F.E.A.R. Extraction Point and F.E.A.R. Perseus Mandate.

Welcome to the Arena, where high-ranking warriors are transformed into spineless mush. Abandoning every ounce of common sense and any trace of doubt,...

Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!

Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy...

Unreal Tournament 2004 is a multiplayer first person shooter that combines the kill-or-be-killed experience of gladiatorial combat with cutting-edge...

Now includes the free “Titan Pack” expansion! The “Titan Pack” gives players a substantial amount of enhanced features and new content, including...

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Let the Obsession begin. Again. This time, the entire forces of the netherworld have overrun Earth. To save her, you must descend into the stygian...

Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic...

You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad...

The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience where each game is delivered over...

Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Under development at Machine Games, a studio comprised...

World War II rages and nations fall. SS head Himmler has Hitler's full backing to twist science and the occult into an army capable of annihilating...

Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the...

BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from...

You carved your soul to shreds in servitude to a dark god, but false promises and betrayal were your only reward. Now you have a score to settle and...

The definitive version of the cult classic shooter, Shadow Warrior Classic Redux features remastered visuals and two massive expansion packs....

A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake....

The complete megahit game that set the world afire. Plus All-New Episode IV: Thy Flesh Consumed. The demons came and the marines died. Except one. You...

Over 35 levels of challenging gameplay -- Race at the speed of light, fight off computer Viruses and engage in violent digital combat.

With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning...

Indebted to the wrong people, with his life on the line, veteran of the U.S. Cavalry and now hired gun, Booker DeWitt has only one opportunity to wipe...