Dark hospital scene with Alice lying in bed in American McGee's Alice

Project Brutality is a large-scale gameplay mod for Doom that evolved from Brutal Doom into an independent project. It makes the game even more brutal, adds dozens of new weapons, monster variants, multi-tier progression for enemies and weapons, as well as advanced customization.

BorderDoom is a mod for Doom that combines the dynamic action of the classic shooter with RPG elements from Borderlands. Weapons with random stats, rechargeable shields, leveling for players and monsters, progression, and loot make each playthrough unique.

Doom 64: Unseen Evil is a total conversion mod for GZDoom that reimagines the classic worlds of Doom and Doom II through the dark, moody lens of Doom 64. Everything has been rebuilt from the ground up—player mechanics, weaponry, environments, and the demonic hordes that inhabit them.

8 Eyes is a Hexen-based remake of the NES game of the same name. Players will explore eight nightmarish worlds, battle horrifying creatures, solve puzzles, and use swords, firearms, and magical artifacts to stop the sinister plans of the eight Dukes of Hell.

A texture pack for Half-Life 1 multiplayer that features an almost blank grey halflife.wad file, which is overlaid in-game with stunning 24-bit textures.