Quake

Half-Life: Dark Matter is a single-player campaign for Half-Life that stays as close as possible to the series' canon. In it, you play as a Black Ops operative who gets caught up in the Black Mesa events during the resonance cascade and tries to deal with the chaos.

Half-Life: Invasion is a Half-Life mod that continues the story immediately after the events of Half-Life. The player finds themselves in the secret Black Mesa laboratory, saved by a space probe, and faces an invasion of well-prepared soldiers. You will explore new areas of the laboratory, gradually uncovering government schemes and secrets.

FlatOut UC Time Trial Ghosts is a plugin that adds a ghost of your best lap time to the time trial mode in FlatOut: Ultimate Carnage and also removes all bots so they don’t interfere.

Duke Nukem 3D: High Resolution Pack (HRP) is a graphics mod that replaces the original textures and sprites of the game with high-quality versions and 3D models. It enhances the visual side of Duke Nukem 3D and allows the game to be run in modern OpenGL ports with more detailed graphics.

Quake 1: Ray Traced is a mod for Quake (1996) that adds full ray tracing. It completely reworks the lighting, offering a classic mode with RT effects and a full Path Tracing mode that radically transforms the game's atmosphere, making it feel more modern and technically advanced.