Dark underwater ruin exploration in They Hunger Rebuild Half-Life mod

Half-Life: Recon is a mod for Half-Life in which you play as Adrian Shephard, sent on a reconnaissance mission to an alternative Black Mesa. You need to explore the complex together with your squad of infantrymen and overcome all the hardships and trials of your critically important mission.

The Moment of Genesis is a major mod from Chinese developers that primarily focuses on gameplay overhaul, adding new units, buildings, and improving visual effects.

USS Darkstar 25th Anniversary Patch - an addon that improves game textures, adds a loading screen, HD background and animated logo in the main menu, as well as an icon for the Steam library.

Red Counter-Strike is a mod for Yuri's Revenge that makes the game less futuristic and adds numerous real military equipment from the Cold War and subsequent period (1960s-2000s), while retaining elements from Red Alert 2, such as prisms, Tesla technology, etc.

Red Alert 2 Reboot Mod is an unofficial sequel to Yuri's Revenge. The mod adds new factions and technologies: the futuristic Zeta Corps, Soviet Terra Protocol, robotic Nexus, and psychic Psychic Corps. Each side is unique: plasma, lasers, viruses, chrono-technologies, each with their own strengths and weaknesses.