Vampire: The Masquerade - Bloodlines

Half-Life Overhaul Reanimation Pack — an addon for the Half-Life Overhaul Pack mod, adds weapons and elements from Opposing Force, as well as new animations for classic guns.

The Trap is a mod for Half-Life where you navigate through a series of dexterity and puzzle challenges in a fictional facility. The mod combines puzzles and adventures, opening new sections through portals and hidden passages, offering alternative paths for completion.

A fan-made project reimagining the classic game Half-Life as a twin-stick shooter built on the Unity engine. The game offers a fresh take on Gordon Freeman's adventure in Black Mesa, introducing new elements such as enemies, weapons, support for custom campaigns, and more.

Sven Co-op is a cooperative mod for Half-Life where players team up to complete the campaign and custom maps together, featuring improved AI and new gameplay features.

C&C: ShockWave is a major mod for C&C Generals: Zero Hour that restores some cut content from the game, enhances differences between generals, and adds hundreds of new units and buildings.