Dark and eerie hellish arena with demons attacking in DOOM The Dark Hellforged mod

OpenRA is an open-source engine that recreates classic RTS games from the Command & Conquer series and Dune 2000. It rewrites the original engine from scratch, supports modern operating systems, online multiplayer, improved graphics and modifications, but requires the original game files for full functionality.

They Hunger - a cult horror mod for Half-Life where the player finds themselves in a rural area overrun by a zombie apocalypse. It features three episodes with a dark atmosphere, new enemies, weapons, and sound design.

Dwell is a large-scale mod for Quake, presenting a complete campaign of four episodes with original levels, new enemies, weapons, and power-ups. The project emphasizes challenging, combat-heavy maps and gradually increasing difficulty designed for experienced players.

Vampire The Masquerade: Bloodlines - RTX Remaster is a fan-made remaster created using NVIDIA RTX Remix. The mod completely overhauls lighting, reflections, models, and textures, adding ray tracing and modern graphics effects while preserving the original atmosphere of Los Angeles.

Project Phantom is a total conversion mod for Yuri's Revenge set in its own alternative universe. The mod adds new factions, unique technologies, revamped combat systems, and an original storyline in a world after a global cataclysm.