Dark medieval shrine interior with candle and bread in Doom II mod

Aleph One Marathon Trilogy is an open-source engine built from the Marathon 2: Durandal source code released by Bungie. It allows you to run and modernize the classic Marathon trilogy (Marathon, Marathon 2, Infinity) on modern PCs, with graphics improvements, online multiplayer, and mod support.

A map pack for Zombie Panic! It contains the best maps created by the community over the years of the mod's existence.

RoboCop Doom is a total conversion of Doom II where the player controls Alex Murphy as RoboCop, restoring order to the streets of Detroit. The mod recreates the story and atmosphere of the film RoboCop (1987) with 16 levels, signature weapons, enemies, and music from classic 16-bit games.

FlatOut UC Chloe Collection is a complete overhaul of FlatOut: Ultimate Carnage, restoring vehicle handling and soundtrack from FlatOut 1-2, adding new tracks and cars from Bugbear Retro Demo, FlatOut 1-2, and Rally Trophy. It introduces new modes and a career, rebalances gameplay, adds ultrawide support, and much more.

Perfected Doom 3 is a mod for Doom 3 that transforms the classic shooter into a modern horror action game. The mod completely overhauls weapon balance, adds new monsters from Quake and earlier Doom entries, improves graphics, and introduces iron sights mechanics.