Operation: Black Mesa

Black Mesa: Definitive Edition includes performance improvements with a higher frame rate in some levels and visual upgrades, as well as all new and expanded Xen levels.

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. Alyx Vance and her father Eli mount an early resistance to the Combine's brutal occupation of Earth.

Black Mesa is a re-envisioning of Valve Software's classic science fiction first person shooter, Half-Life. Powered by Source Engine, You will re-visit the inaugural role of Gordon Freeman and his memorable journey through the Black Mesa Research Facility. Expect detailed environments to explore, a huge cast of characters and experimental weaponry. All-new music, voice acting, choreography and added dialogue give way to a more expansive and immersive experience than ever before.

A first person shooter extravaganza where you take the role of Serious Sam, a badass killer whose goal is to defeat monsters commanded by Mental, an extraterrestrial entity that wants to destroy humanity. Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic arcade-style single player action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through the beautiful world of ancient Egypt and several diverse planets, confronting countless Mental's minions on his way to the Mental's base.Key Features Frantic Arcade-Style Action - Fight your way through 15+ nightmarish warriors in Mental's army, including the charging Sirian Werebull, screaming Headless Kamikaze and other crazy monsters, and finally challenge the multi-story Ugh-Zan boss!

Defy Gravity is an action platformer that is a mix between classic platforming and gravity based puzzle solving. Kara, our heroine, has access to a unique gameplay mechanic that she uses to manipulate the world around her. She has a gun that is able to alter the laws of physics through the creation of pockets of gravity and anti-gravity. By mastering the use of these abilities Kara is able to augment her jump in order to almost fly past obstacles. These powers can also be utilized to move objects that block her path and platforms that Kara stands on in order to traverse the levels.

Hrot is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.

A tropical paradise seethes with hidden evil in Far Cry, a cunningly detailed action shooter that pushed the boundaries of combat to shocking new levels.Freelance mariner Jack Carver is cursing the day he ever came to this island. A week ago, a brash female reporter named Valerie had offered him an incredible sum of cash to take her to this unspoiled paradise. Shortly after docking, however, Jack's boat was greeted by artillery fire from a mysterious militia group swarming about the island. With his boat destroyed, his money gone, and the gorgeous Valerie suddenly missing, Jack now finds himself facing an army of mercenaries amidst the wilds of the island, with nothing but a gun and his wits to survive. But the further he pushes into the lush jungle canopy, the stranger things become. Jack encounters an insider within the militia group who reveals the horrific details of the mercenaries' true intentions. He presents Jack with an unsettling choice: battle the deadliest mercenaries, or condemn the human race to a maniac's insidious agenda.

Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.

A unique blend of puzzle-solving and action-platforming. Play a lone Shiba Inu charged with commanding massive, marching crowds to the goal in Story Mode, or browse a wide array of user-made levels crafted via the in-game Stage Creator!

Fight to survive on a mysterious alien planet and do whatever it takes to find a way home. Blaze Rush is a mercenary desperate for a job. In search of an easy payday he follows a distress beacon to the surface of a dangerous planet and the remains of an ancient crash site. There he finds a mystery that will test his strength, his resolve, and every gun in his arsenal. Zombotron features an arsenal of weapons and armor, enemies that hate each other as much as they hate you, and really nice explosions for an experience that’s out of this world.

The challenge is Project Mercury. The power is Raxasoft. Make your way on foot, on a hoverbike, up skyscrapers, and down bottomless pits, as you exterminate a threat of unknown origin!

Koya Rift is an action-packed platform shooter that is built around circular, adaptive gameplay that emphasizes replay value by challenging the player with procedural content tuned to their skill level. In Koya Rift, the player must enter a hostile planet and destroy an alien race so the planet can be colonized. Each game, the player is dropped off at the surface and must venture into procedurally generated caves, earning upgrades and buying units as he goes along. The difficulty adjusts precisely to the skill of the player over time, providing them with a consistent challenge. The goal of the game is to provide a challenging, yet casual experience that’s easy to pick up and put down.

Sequel to the most adorable First Person Shooter Gun Ballet. Feel the speed once again as you jump and shoot your way through the familiar cutesy abstract world filled with clever traps and angry baddies fuming with rage. Pick out targets with precision accuracy and dodge an infinite barrage of bullets carefully jumping between floating islands all while racing the clock for a better score.