Generals Alpha

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.

Black Ops is a single-player mod for Half-Life where you play as an agent of the elite Black Operations unit. Your mission is to eliminate the rogue scientist, the elusive Gallagher, and then return to Black Mesa with a bomb. The mod stands out with its vivid stylization — graphic comics instead of cutscenes, as well as atmospheric urban locations.

Vinifera is a project designed to improve the C&C: Tiberian Sun engine. It adds sidebar interface tabs, production queues for shipyards, support for new types of tiberium, aircraft carriers and missile carriers, enhanced queue mechanics, improved unit selection, new animations and much more.

C&C: Tiberian Sun Synthesis is a mod for Command & Conquer: Tiberian Sun, set after the events of Tiberian Sun: Firestorm. The mod adds new factions, units, and gameplay mechanics while keeping the original GDI and NOD factions unchanged.

Diablo 2 - Durance of Hate is an incredible fan-made demo project in Unreal Engine 5, created by a Polish 3D artist, showcasing the Durance of Hate level where Mephisto from Diablo 2 resides.