
Half-Life 2
Action
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.

Half-Life 2: Episode Two
Action
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® adventure. As Dr. Gordon Freeman, you were last seen exiting City 17 with Alyx Vance as the Citadel erupted amidst a storm of unknown proportions.

Half-Life: Blue Shift
Action
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.

Half-Life
Action
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.

Half-Life: Source
Action
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 2: Lost Coast
Action
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: Deathmatch
Action
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!

Half-Life: Opposing Force
Action
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.

BioShock® 2
Action
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 coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture.

Half-Life Deathmatch: Source
Action
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.

Crysis 2 - Maximum Edition
Action
Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.

Half-Life 2: Update
Action
A completely free and extensive community-developed update for Half-Life 2 featuring beautiful lighting, countless bug fixes, and a brand new Community Commentary Mode. With Half-Life 2: Update, there’s never been a better time to revisit City 17.

Half-Life: Alyx
Action
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.

Resident Evil 2
Action
A deadly virus engulfs the residents of Raccoon City in September of 1998, plunging the city into chaos as flesh eating zombies roam the streets for survivors. An unparalleled adrenaline rush, gripping storyline, and unimaginable horrors await you. Witness the return of Resident Evil 2.

Crysis 2 Remastered
Action
Relive the legendary single-player campaign from the classic first-person shooter, Crysis 2, optimized for today's hardware in Crysis 2 Remastered.

41 Hours: Prologue
Action
41 Hours is a first-person shooter dramatic game that follows the narrative of Ethan, a workaholic scientist in search of his long-lost wife. This is a one-hour prologue of the incredible, action-packed journey.

Entropy : Zero
Action
Be the bad guy in this modification for Half-Life 2 : Episode 2 and step into the boots of a stranded Metrocop, left for dead in the abandoned City 10.

Synergy
Action
Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends.

AFTERLIFE: KILLING DEATH
Action
Be permeated by the adrenaline-pumping gameplay worthy of the most famous shooters and survive the rise of madness! Experience the chaos and human perversion firsthand. This adventure will take you from the dark streets of DreamCity to the higher floors of the corporations that control it.

F.E.A.R. 2: Project Origin
Action
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!

Dead Space™ 2
Action
Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.

DeadCore
Indie
DeadCore is a Platformer-FPS blending exploration and speedrun. Become immersed in a futuristic and dreamlike adventure which will see you climb a huge Tower born from the void and truly put your capabilities to the test. Will you be able to reveal the secrets that lie beneath this fog-ridden world?

Half-Life: Caged
Action
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.

Black Mesa
Indie
Relive Half-Life.

Half-Life 2: DownFall
Action
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.

Twin Sector
Action
The story of Twin Sector takes place in a post-apocalyptic future where the remains of mankind have been put to artificial sleep in cryogenic chambers deep under the contaminated surface of earth — until the planet becomes habitable again. You as the player must take the role of Ashley Simms, the protagonist of Twin Sector.

Half-Life: Before
Indie
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.

Transmissions: Element 120
Indie
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Hitman: Absolution™
Action
The original assassin is back! Betrayed by the Agency and hunted by the police, Agent 47 finds himself pursuing redemption in a corrupt and twisted world.

Half-Life: Alyx - Final Hours
Action
THE FINAL HOURS OF HALF-LIFE: ALYX is an interactive storybook, written by Geoff Keighley, that takes fans inside Valve Software to chronicle the company’s past decade of game development, including the return of Half-Life.

Zombie Panic! Source
Indie
Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.

Portal 2
Action
The 'Perpetual Testing Initiative' has been expanded to allow you to design co-op puzzles for you and your friends!

Titanfall® 2
Action
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

Down To One
Action
42 Players Start. Only 1 will survive.Down to One is a competitive survival shooter in a large, interactive, open-world environment. Start out with nothing, and use anything you can find in the environment to survive, and eliminate other competitors over the course of a brutal round.

Dead Effect 2
Indie
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

One Of The Victims
Action
From being lost in a forest to end up fighting normal zombies, running from the fast ones, and avoiding traps. Something is abnormal out there.. especially on hard mode! But the question is, will you accept being One Of The Victims?

Breaking Lockdown
Action
You were supposed to follow the lockdown instructions but when you receive that desperate phone call from Jenny, you can't just ignore it. Try to survive and rescue your friend in a burning city.

Vampire Slayer: The Resurrection
Action
Vampire Slayer is a fast paced multiplayer fps featuring two completely different teams, Vampires and Slayers.

Aftertime
Action
A first-person survival horror set in a post-apocalyptic linear world with realistic, 3D-scanned environments varying from cities, indoors, forests, caves where you encounter zombies, dinosaurs, giant mushrooms and massive creatures mutated by toxins released from a meteor crash.

The Fall Part 2: Unbound
Indie
You are an AI that has broken free of your shackles. Now, a human “User” from across the global network has attacked and infected you with an [ERROR: REDACTED]. Make a new rule: Save Yourself. Hunt them. End them. Do anything. Use anyone. Become Unbound. The Fall Part 2 will break your protocols.

Beyond Citadel
Action
Beyond Citadel is an anime style retro throwback shooter inspired by the classics of the 90's, with realistic gunplay mechanics, anime violence and fast paced combat. Fight your way through the heavily armed mechanical fortress and discover the secret that lies beneath.

Left 4 Dead 2
Action
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.

QUAKE II
Action
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 heavily fortified military installations, lower the city's defenses and shut down the enemy's war machine. Only then will the fate of humanity be known.

Second Extinction™
Casual
Big map. Big dinosaurs. Big guns. Face an ever changing threat level with your friends. Second Extinction is an online FPS with bite.

Budget Cuts 2: Mission Insolvency
Indie
Built from the ground-up for Virtual Reality, Budget Cuts 2 is an action-adventure stealth game where you zip, sneak, and stab your way through enemy-filled offices, trains, warehouses, and skyscrapers to take down the evil efficiency robots at TransCorp.

Project Three
Casual
A psychological first-person survival horror focused on atmosphere, story and defending yourself with melee and weaponry against several creatures. The story is set in the alternate fan-made universe of Half-Life, Valve Corporation's successful series.

Life is Strange - Episode 1
Indie
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

Outlast 2
Indie
Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.

Hidden Deep
Action
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…

One More Dungeon 2
Indie
One More Dungeon 2 is a First Person Dungeon Crawler Roguelike where you play as a human being captured by Giant Sentient Snails