Games like Half-Life: Opposing Force on Steam
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Half-Life: Source
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.
Half-Life: Blue Shift
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.
STAR WARS™ Dark Forces (Classic, 1995)
Behind a veil of secrecy the evil Empire is creating a doomsday army - one that, if finished, will become the final cog in the Empire's arsenal of terror and domination. Your Mission? Join the Rebel Alliance's covert operations division, infiltrate the Empire.
Half-Life 2
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
Chaser
Mars, 2044. The UN establishes MARSCORP (Martian Security and Economics Committee) under the leadership of Samuel Longwood. In the years that follow, the UN gradually loses control of MARSCORP, mainly due to the non-transparent licence policy of its director.
Half-Life
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.
STAR WARS™ Jedi Knight - Mysteries of the Sith™
It is five years after Kyle's victory over the seven dark Jedi. Invading Imperial forces advance upon a quiet Rebel outpost, interrupting Kyle's training of a brave new Jedi, Mara Jade. First introduced in Timothy Zahn's award-winning Star Wars novel, Heir to the Empire, Mara Jade blends her past experiences as a one time smuggler and...
STAR WARS™ Jedi Knight: Dark Forces II
Jedi Knight: Dark Forces II picks up where the award-winning Dark Forces™ game left off...with even more features and firepower in dazzling 3D graphics. As Kyle Katarn, you must acquire a lightsaber and learn the ways of the Force to become a Jedi Knight.
STAR WARS™ Jedi Knight II - Jedi Outcast™
The Legacy of Star Wars Dark Forces™ and Star Wars® Jedi Knight lives on in the intense first-person action of Jedi Outcast.
Aliens versus Predator Classic 2000
Aliens Versus Predator Classic 2000 features the Colonial Marine, Alien and Predator Campaigns and the frenetic single-player Skirmish mode from the original title: Alien Versus Predator Gold Edition, which was released to massive acclaim in 2000.
Crysis Warhead®
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 mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.
Quake II
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
Black Mesa
Relive Half-Life.
Judge Dredd: Dredd vs. Death
Welcome to Mega-City One, a city of over 400 million people - every one of them a potential criminal. It is the third decade of the 22nd Century, unemployment is widespread, boredom is universal and only the Judges can prevent total anarchy. Empowered to dispense instant justice, they are Judge, Jury and Executioner all in one.
SiN Episodes: Emergence
You are John Blade, commander of HardCorps, an elite security force dedicated to protecting the people of Freeport City. Four years have passed since your first battle with Elexis Sinclaire, a beautiful, brilliant, and ruthless scientist who is out to remake humanity according to her own twisted vision.
Delta Force 1
As a member of Delta Force — The Army's Elite, top secret special forces unit — the word 'impossible' is not in your vocabulary. In Delta Force, you will conduct missions swiftly and silently, in every possible terrain, under every imaginable condition and through unconventional means.
Delta Force 2
You're a member of the U.S. Army's best kept secret: the elite SPECIAL OPERATIONS unit known as Delta Force, formed to BATTLE TERRORISM throughout the world. When the best of the rest can't handle the op, YOU are called into action. Can you handle THE JOB? Features FREE NovaWorld™: online gaming supporting up to 50 players.
STAR WARS™ Republic Commando™
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
Red Faction
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.
Crysis 2 - Maximum Edition
Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.
Quake 4
As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.
Far Cry®
A tropical paradise seethes with hidden evil in Far Cry®, a cunningly detailed action shooter that pushes the boundaries of combat to shocking new levels. Freelance mariner Jack Carver is cursing the day he ever came to this island.
Quake
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.