Isowulf mod adds isometric combat to Wolfenstein 3D retro gameplay

Half-Life: Extended is a large mod for Half-Life that expands the original campaign by combining content from Blue Shift and Opposing Force, adding new levels, reworking NPCs and maps, and increasing world detail. The campaign has become larger and more varied, making Half-Life: Extended feel like an almost entirely new game.

Command & Conquer: Condition Zero is a massive mod for Generals Zero Hour, inspired by the ideas of Generals: Generation X and Command & Conquer: Untitled, which combines the best elements of these projects and adds numerous original ideas.

The Foxtrot Code is an alternative version of the seventh version of the Project Raptor mod for Generals Zero Hour, which focuses on improving the quality of models and explosions.

UC Hud is a mod for FlatOut 2 that replaces the game's default interface with a UI styled after FlatOut: Ultimate Carnage. In addition to the updated visuals, it adds persistent lap time display throughout the entire race, rather than only near the start/finish line.

BlooM is a massive crossover of Doom and Blood for GZDoom, combining the maps, enemies, and weapons of both games into a single universe. The mod features one episode consisting of 8 large levels, dozens of hybrid monsters, an atmospheric soundtrack, and the ability to play as either Doomguy or Caleb.