DOOM 64: Unseen Evil Ultra Nightmare

A major mod that significantly improves the original FlatOut. It reworks the career mode and car physics, adds a new soundtrack (including tracks from FlatOut 2 and Ultimate Carnage), new modes from Ultimate Carnage, as well as cars and tracks from FlatOut 2 and Retro Demo, 4-player split-screen, working multiplayer and much more.

Half-Life Overhaul Pack is a collection of high-quality models and sounds that replace the original Half-Life files. The pack preserves the style and compatibility with the game, enhances the atmosphere, and is suitable not only for playing through Half-Life but also for numerous fan mods and maps.

C&C: Reloaded is a mod for Yuri's Revenge that allows you to experience the classic strategy in a new way by combining elements of Tiberian Sun and Red Alert 2 into a single game. It includes the original campaigns, a new storyline for Yuri with 13 missions, reworked balance, additional units and technologies, as well as multiplayer support.

War Location: Global Crisis is a mod for Yuri's Revenge that brings elements from Command & Conquer: Generals – Zero Hour into the game. The mod is not a direct remake of Generals, but offers an alternative universe with a unique storyline that combines elements from both original games.

OpenNox is an open-source game engine that is the result of collaborative community work. Its main goal is to extend and improve the original game Nox.