Base building and resource gathering in C&C Revolt GLA mod gameplay

VTMB A.I. HD Textures is a mod for Vampire: The Masquerade – Bloodlines that enhances the game's original textures using the Topaz A.I. Gigapixel neural network, which increases their resolution by 4 times.

Opposing Force Redux is a large-scale mod for Half-Life: Opposing Force that completely overhauls the graphics and sound. New models, sprites, sounds, and refined maps bring the game's audiovisual elements up to modern standards.

Xash3D FWGS - a fork of the Xash3D engine aimed at improving compatibility, performance, and functionality for running GoldSrc-based games such as Half-Life and its mods.

Half-Life: Blue Shift: MMod is an add-on that allows you to play the Blue Shift campaign with the enhancements and mechanics of Half-Life: MMod.

FreemanAPI - an easy-to-use API for implementing movement mechanics from the original Half-Life and Half-Life 2 in other games.