Stronghold "Duc" Edition

Half-Life: Zombie Edition - a unique mod where you play as a zombie or headcrab in the Half-Life world, featuring a mutation system, three classes, and upgrades. This perspective from the enemy's side, the one you used to fight against, makes the gameplay unlike anything else.

They Hunger N’sane Pack - an add-on that updates the models of the They Hunger mod, offering two versions: a Simple Version with retro models and an HD model Remod Version that requires ZikShadow's Remod. Includes new animations, monster models, sounds, and music to enhance the atmosphere.

Half-Life: Sudden Invasion is a remaster of the cult mod Half-Life: Invasion that improves graphics, interface, mechanics and reworks maps.

A fan-made port of the early alpha version of Half-Life to the classic GoldSrc engine, featuring updated maps and content.

OpenNox is an open-source game engine that is the result of collaborative community work. Its main goal is to extend and improve the original game Nox.