Opposing Force returns to the same setting as Half-Life, but instead portrays the events from the perspective of a U.S. Marine, one of the enemy characters in the original game. The player character, Adrian Shephard, is sent in to neutralize the Black Mesa Research Facility after a scientific mishap causes it to be invaded by aliens, but quickly finds that the Marines are outnumbered and slowly being beaten back by a second alien race and black operations units.

1998. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. NOW. By taking the suspense, challenge and visceral charge of the original, and adding startling new realism and responsiveness, Half-Life 2 opens the door to a world where the player's presence affects everything around them, from the physical environment to the behaviors even the emotions of both friends and enemies.

Detroit: Become Human is an interactive narrative adventure game developed by Quantic Dream and released in 2018. Set in a near-future Detroit where androids serve humans, the story follows three android protagonists—Kara, Connor, and Markus—who shape the city’s fate through their choices. Gameplay combines exploration, dialogue interactions, and quick-time events, with branching storylines and multiple endings. The narrative explores themes of artificial intelligence, freedom, and morality.

Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat. Evoking memories of the most revered shooters of the past two decades, Splitgate embraces the classic and familiar feel of close-quarters combat while adding a unique twist.

You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.

Warframe situates players as members of the Tenno race, newly awoken after years of cryo-sleep into a solar system at war. Reborn into a corrupt era, the Tenno are sought by the oppressive Grineer Empire for annihilation. Warframe armor is the key to overthrowing the Grineer by providing players with unique offensive and defensive powers to explore, upgrade and master during purpose-driven radical raids.

Sequel to the acclaimed Portal (2007), Portal 2 pits the protagonist of the original game, Chell, and her new robot friend, Wheatley, against more puzzles conceived by GLaDOS, an A.I. with the sole purpose of testing the Portal Gun's mechanics and taking revenge on Chell for the events of Portal. As a result of several interactions and revelations, Chell once again pushes to escape Aperture Science Labs.

Counter-Strike, the world's most popular online action game and first-person shooter for the PC, makes its console debut exclusively on Xbox and Xbox Live. Counter-Strike for Xbox features single-player missions, taking place over a gritty realistic counterterrorist world. It allows gamers to challenge other players in team-based multiplayer games on Xbox Live and System Link.