Tactical co-op gameplay in Half-Life mod Sven Co-op set in control room

WT Detail Textures — a texture pack for the Half-Life: WANTED! mod, including works by different authors. It contains new textures for all story missions and standard multiplayer maps.

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.

Half-Life: Rally is perhaps the most unusual mod for Half-Life, which takes Half-Life to a completely new level — now instead of weapons, the main tool becomes a car and the ability to outrace competitors. The goal is simple: be the first to cross the finish line using speed, tactics, and strategy.

Nuclear Winter — a story mod for Half-Life: Opposing Force, where you'll undertake new missions in a post-nuclear winter setting, facing harsh atmosphere, dangerous enemies, and a grim story unfolding after the catastrophe.

OpenRA is an open-source engine that recreates classic RTS games from the Command & Conquer series and Dune 2000. It rewrites the original engine from scratch, supports modern operating systems, online multiplayer, improved graphics and modifications, but requires the original game files for full functionality.