Stronghold Series

Doom 64: Unseen Evil is a mod for GZDoom that brings the atmosphere of Doom 64 to Doom and Doom II. The player, weapons, levels, and demons are completely overhauled, new monsters and the Doom 64 arsenal are added, and animations and sounds are improved.

C&C Coalition War — a mod for Yuri's Revenge that adds the Spartan army of Ancient Greece to the game, as well as the Earth Defence Alliance, Red Dawn, GDI, and NOD factions. The mod combines elements from the Red Alert and Tiberian Sun universes, adds new units, buildings and abilities, as well as reworked artificial intelligence.

NPC'S Revitalization Project for HLMMOD is an addon for Half-Life: MMod that updates NPC models, improving their visual quality.

Bugbear Retro Demo 2002 is the official 2002 tech demo by Bugbear Entertainment, a prototype of the game that later formed the basis for the FlatOut series. It showcases early gameplay and the visual concept of the future game, two years before the release of the first installment.

Catharsis is a short but atmospheric mod for Half-Life that tells the story of an unnamed scientist trying to escape from Black Mesa during the disaster.

Pro Gen Mod: Unofficial Extension — an addon for Pro Gen Mod v2.6: Director Cut, which evolved from a Challenge mode update into a major expansion. It fixes bugs, refines generals, adds cut units and features, eliminates crashes on Challenge mode maps, improves balance, AI, and stability.

High Definition 2 Pack is a set of high-quality models and textures for Half-Life, Opposing Force, and Blue Shift. It is an improved version of the original HD pack, including community-made models and enhancements, as well as extra elements like menu music, fixed maps, and the original Dreamcast OST for Blue Shift.