Popular Addons of Diablo Series

Reprocessing is a total conversion for Half-Life in which you play as Theodore West, a Vietnam veteran and security guard at Black Mesa. An ordinary shift filled with routine tasks like guarding the facility quickly turns into a nightmare when something unknown awakens deep within the complex.

Shockwave - ROTR Addon is an addon that adds a large number of units from the Rise of the Reds mod to the corresponding factions of the Shockwave mod. Additionally, the addon adds several bonuses for other generals.

Half-Life 2 Beta Minimalist Mod – restoration of the non-existent beta version of Half-Life 2 in minimalist style. The remake reproduces the original locations as accurately and respectfully as possible, based on early developments and storyline from 1999–2001, creating an unusual and nostalgic experience.

Ionization is a total conversion for Half-Life built on the Xash3D FWGS engine, inspired by PARANOIA. You play as an intelligence agent investigating mysterious events in a post-Soviet closed city called Oktyabrsk, gripped by a sectarian uprising.

Edge of Darkness is a single-player mod for Half-Life where Gordon Freeman is sent by the A.C.I.B. organization to a secret mountain base to stop a new threat. The mod combines dynamic combat, atmospheric locations, and cinematic events.

Operation: Firestorm is one of the largest and most impressive mods for Generals Zero Hour. It significantly expands the game: adding 8 unique generals with their own ability trees, new units, buildings and superweapons, improving graphics, interface and sound, as well as expanding the tech tree.

The Spiritworld is a map pack for Quake designed for single-player and cooperative play. It includes 7 main maps, 3 secret maps, a start map, and an end map featuring a new boss. It uses the Copper mod and delivers a grim atmosphere, devious traps, and an original soundtrack.