Half-Life: Opposing Force

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 which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

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 remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.

1998. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. Valve's debut title wins more than 50 game-of-the-year awards on its way to being named "Best PC Game Ever" by PC Gamer, and launches a franchise with more than eight million retail units sold worldwide.

The Rock Map Pack is Now Available! Join the Resistance, stand united and fight for freedom against an overwhelming military force.

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 Range lighting to the Source engine.

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 reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. Also features two multiplayer games. Half-Life 2 not required.

Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!

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 infantry, sniper or machine-gunner class, each with a unique arsenal of historical weaponry at their disposal. Missions are based on key historical operations.

Prepare for one of the most action packed-shooters in PC gaming history! Every level is full of enemies and targets for you to destroy! You will become a soldier of the alien species and protect your home world from the forces of the Human armada.

ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style.

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

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

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

The biggest first-person action series of all time and the follow-up to critically acclaimed Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops.

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

JOIN THE REVOLUTION! Lured to Mars by the Ultor Corporation's promise of a better life, thousands have come to seek their fortune and work for the massive mining company. But all is not as it seems. A deadly plague is sweeping through the barracks, and miners suffer daily abuse at the hands of the Ultor guards.

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

Assume the role of Special Forces Sgt. Becket as your routine mission quickly turns into a fight for survival against the wrath of Alma Wade. As Alma's terrifying power surges out of control, your squad is forced to battle through an apocalyptic landscape in search of clues for how to destroy her!

With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning multiplayer game play, plus over 12 bonus single player missions, Counter-Strike: Condition Zero is a tremendous offering of single and multiplayer content.

Twenty-second century Earth. Five years after the rebellion on Mars. For the last 15 years, Sopot, the corrupt dictator, has oppressed the people of the Commonwealth. His relentless pursuit of unification with the neighboring United Republic has left the country soaked in unnecessary bloodshed and poverty.

Experience piloting and customizing massive armored units called Wanzers while engaging in high-intensity battles driven by a compelling story. The battle begins now!

Half-Life: Alyx is Valve’s VR return to the Half-Life series. It’s the story of an impossible fight against a vicious alien race known as the Combine, set between the events of Half-Life and Half-Life 2. Playing as Alyx Vance, you are humanity’s only chance for survival.

Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

Relive Half-Life.

Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!

As humanity’s elite space trooper, you take on a heroic, action-packed adventure throughout the galaxy. Explore planets, protect colonies, and be the first to meet the unknown! Dive into the original story inspired by James S.A. Corey’s The Expanse series...

Multiplayer Military - Aliens are invading the Military Base. The World needs Your Help. You and Your team of Elite Soldiers must take out ALL Aliens and Save the Planet.

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

This terrifying 1990s sci-fi first-person shooter from Capstone Software has you venturing deep into the dark and twisting test chambers of Corridor 7 to combat a hostile takeover of Earth.

Half-Life: Before – is a modification for Half-Life with new levels and story. Mod is based on Spirit of Half-Life 1.8 technology, that increases visual and functional component of the mod.You're playing as a Black Mesa scientist Andrew Winner.

LEFT ALIVE™ is a brand-new survival action shooter telling a human story of survival from the perspective of three different protagonists during the devastating invasion set in war-torn Novo Slava in 2127.

C.A.G.E.D. is an explosive prison escape adventure! Break-out and battle your way to freedom in this electrifying modification for Half-Life.

Dive into the heart-pounding action as MT Force, an elite government unit racing against time to unravel the mysteries of enigmatic anomalies. Rumors suggest that a mysterious scientist made contact with aliens, and now everything is out of control!

A fast paced tactical police shooter featuring dynamic missions that take place in real world locations that can be played in singleplayer mode or co-operatively.

The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle...

Fight back against the evil Galactic Federation! It'll be good for humanity and probably OK for you. if you only play one space game this year, play Starfield, if you play two, play Liberation!

Attack from Outer Space. Classic old-school First/Third person shooter. Fight against zombies, mutants, monsters to save the Earth!

Bonding Ambivalence is a unique coop experience based on a French cyberpunk universe. As a special police unit, you and your partner are brought to investigate a sudden shutdown of a research facility. Between reflection and action, you must survive a situation that is beyond you.

The Fifth Day is a post-apocalyptic survival game set in the time after mankind's extinction to the machines that it created. Your role, as one of these machines, is to survive in the hostile world left behind by man.

Us Against Aliens is a survival shooter game on a spaceship that flies towards Earth. On the ship, something is constantly happening and you need to solve these problems along the way by shooting back from aliens who are constantly hunting you

Your mission is simple: clear the base at all costs. You will be provided with explosives to help you gain access to the teleports from where thousands of pitiless creatures pour.

Open World, Survival, Crafting, Dungeons

The World Of Others is a Singleplayer First-Person-Shooter with a unique Story. Fight your enemies with up to 5 different weapons. Collect ammunition for the weapons to be ready to fight. Care for your injuries with medipacks to hold out.

'Quadrillion' presents an immersive alternate-history experience set in the backdrop of a darkly reimagined First World War. This first-person game masterfully blends elements of dark fantasy with a unique retro aesthetic, offering players a captivating and eerie world to explore.

DownFall is a Half-Life 2 single-player mod taking place in the White Forest surroundings. You're once more putting on the HEV suit as Gordon Freeman. Your mission is to recover a newly developed technology by the resistance, known as the "citadel buster", before the Combine manage to destroy it.

Fight side by side with your friend against a rival team or let your friend be your worst enemy! Check your skills on your own statistics. Modify your weapons according to your own specifications and test them on your shooting range!

This is tactical first person shooter that you lead a small squad with different weapons to eliminate opressors to avoid them from terrorising free people.

Tactical Operations Force - TOF is a Third Person Shooter Game that allow players to play up to 10 vs 10 matches over the internet on Steam.