Dark industrial tunnel entrance with helicopter in the sky in Half-Life Nuclear Winter mod

H5X — a mod for Heroes of Might & Magic V inspired by the Heroes 5.5 mod and created for fun, replayability, and uniqueness, rather than perfectly balanced PvP, although balance isn't completely abandoned.

Hideous Destructor is a mod for Doom that transforms the game into a brutal survival simulator: slow-paced gameplay, lethally dangerous enemies, realistic shooting mechanics, and bleeding. If you don't use cover and carefully manage your inventory, you'll have no chance of survival.

Azure Sheep: Enlightened - a remaster of the original Azure Sheep mod with numerous changes affecting textures, HUD, weapon mechanics, levels, NPCs and much more.

Delta Particles is a mod for Half-Life that represents a complete overhaul of the original. You play as Nick Farrell, a technical engineer at the Delta Base complex, which competes with Black Mesa. You find yourself at the epicenter of a catastrophe caused by two different experiments conducted simultaneously at both complexes.

The Moment of Genesis is a major mod from Chinese developers that primarily focuses on gameplay overhaul, adding new units, buildings, and improving visual effects.