Half-Life: Opposing Force

Half-Life is a 1998 first-person shooter (FPS) game developed by Valve Corporation and published by Sierra Studios for Windows. It was Valve's debut product and the first game in the Half-Life series. The player assumes the role of Gordon Freeman, a theoretical physicist who must escape from the Black Mesa Research Facility after it is overrun by aliens following a disastrous scientific experiment. Its gameplay consists of diverse combat, exploration and puzzles.

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.

Half-Life 2: Episode Two is a first-person shooter set in the aftermath of the Citadel's destruction. Players control Gordon Freeman as he and Alyx Vance travel through forests and underground tunnels toward a resistance base, facing Combine forces and new enemy types along the way. The game emphasizes vehicle-based combat sequences alongside the series' physics-driven puzzles and gunplay.

Half-Life 2: Episode One is the first of a planned trilogy of expansion packs/episodes for the 2004 first-person shooter game, Half-Life 2. The episode takes place immediately after the end of Half-Life 2, in the war-torn setting of City 17. The player is forced to deal with the effects of their actions during the main game. The episode is a stand-alone game; while a continuation of Half-Life 2, it does not require the original game to be installed or registered to a user's Steam account to play. It takes advantage of several major upgrades to the Source engine since the release of Half-Life 2, primarily its high dynamic range rendering capabilities and the upgraded facial animation system. Episode One was released together with Half-Life Deathmatch: Source, a port of the original Half-Life's multiplayer, which doubles as Episode One's multiplayer component. The retail copies of Episode One also come with Half-Life 2 Deathmatch for those who have not previously purchased the later title.

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.

Half-Life is a 1998 first-person shooter (FPS) game developed by Valve Corporation and published by Sierra Studios for Windows. It was Valve's debut product and the first game in the Half-Life series. The player assumes the role of Gordon Freeman, a theoretical physicist who must escape from the Black Mesa Research Facility after it is overrun by aliens following a disastrous scientific experiment. Its gameplay consists of diverse combat, exploration and puzzles.

Quake 4 is a action shooter game which serves as the another chapter in the Quake series.

Master time to become the ultimate weapon! Dr. Aiden Krone has made a Time Jump across the space-time continuum - a reckless act with frightening consequences. Now, a disturbing alternate reality has evolved within the bleak and rain-soaked Alpha District.

Counter-Strike is a team-based multiplayer tactical first-person shooter in which players join either the Terrorist or Counter-Terrorist side and compete in objective-based rounds. The primary game modes involve bomb defusal and hostage rescue, played across designated maps. Players purchase weapons and equipment between rounds using money earned from eliminations and completed objectives, and eliminated players must wait until the next round to respawn. Originally a fan-made modification for Half-Life created by Minh Le and Jess Cliffe in 1999, it was acquired by Valve and released as a standalone retail product in 2000, becoming one of the most influential first-person shooters and spawning multiple sequels including Counter-Strike: Source, Global Offensive, and Counter-Strike 2.

Call of Duty is a first-person shooter set during World War II, developed by Infinity Ward using a modified id Tech 3 engine. The single-player campaign spans three separate perspectives, with the player controlling American, British, and Soviet soldiers across the European theater. Gameplay emphasizes squad-based combat with AI-controlled allies who support the player during missions, making use of authentic period firearms, iron sight aiming, and a health point system with medkits.

Quake II is a first-person shooter video game developed by id Software and published by Activision. It is not a direct sequel to Quake, id decided to revert to an existing trademark when they were unable to agree on a new name that did not violate another company's trademark.

Duke Nukem 3D is a first-person shooter in which players move through levels from the protagonist's viewpoint, fighting aliens and mutated foes with a varied arsenal. Its environments are highly interactive and destructible, and levels are designed in a non-linear way, letting players use air ducts, back routes, and hidden areas to explore or avoid enemies. Set across recognizable real-world style locations, the game is known for its satirical humor and references to action films and pop culture.

Call of Duty 4: Modern Warfare differs from previous installments of the Call of Duty series. Previous Call of Duty games have a distinct three country-specific campaign style, while Call of Duty 4 has a more film-like plot with interlaced story lines from the perspectives of Sgt. Paul Jackson of the Marines 1st Force Recon and Sgt. 'Soap' MacTavish of the British 22nd SAS Regiment.

Serious Sam 3: BFE is a first-person action shooter, a glorious throwback to the golden age of first-person shooters where men were men, cover was for amateurs and pulling the trigger made things go boom. Serving as a prequel to the original game, Serious Sam: The First Encounter, Serious Sam 3 takes place during the Earth’s final struggle against Mental’s invading legions of beasts and mercenaries.

"F.E.A.R." (First Encounter Assault Recon) is a critically acclaimed first-person shooter game released in 2005, developed by Monolith Productions and published by Sierra Entertainment. Blending psychological horror with intense combat, "F.E.A.R." puts players in the role of a point man in a special forces team tasked with containing a mysterious and powerful paranormal threat. The game's advanced AI, atmospheric storytelling, and impressive graphics create a deeply immersive experience. Players must navigate through dark, foreboding environments, battling both human enemies and supernatural entities while uncovering the dark secrets behind the paranormal phenomena. Renowned for its tense atmosphere, dynamic firefights, and haunting narrative, "F.E.A.R." stands out as a landmark title in the horror shooter genre.