Industrial power control room in Half-Life Decay Solo Mission mod

Decay: Singularity is a fan mod for Half-Life that transforms the Decay mode from the PS2-exclusive expansion into a fully functional single-player campaign for PC. Cooperative requirements have been removed, save functionality, difficulty selection, and the bonus mission Xen Attacks have been added.

Chain Reaction is a mod for Half-Life that adds a new story campaign telling the story of a Black Mesa complex hydroelectric power plant employee working in sector G.

The Last Goodbye — A large-scale and atmospheric total conversion for Half-Life, where the player explores dangerous districts of the city of Prava, encountering colorful villains, from the cunning Mercutio to the formidable yet stylish crime boss Franz Jaeger, as well as various giant monsters.

C&C Tiberian Odyssey is a total conversion for Tiberian Sun that completely overhauls the storyline, units, graphics, and audio, moving the events to 2041 - 11 years after the events of C&C: Tiberian Sun - Firestorm, featuring new factions and maps.

Single Race Options — parche que permite editar de forma flexible los ajustes de la carrera antes de seleccionar la pista, desde el número de vueltas y la presencia o ausencia de nitro, hasta la posibilidad de iniciar un juego de derby en una pista normal.