Explosive battle against Strider mech in Half-Life 2 cityscape

Essential Stronghold is a modpack created to be the ultimate and perfected version of what Stronghold could and should have been.

Red Alert 2 YR: New Horizons is a mod for Yuri's Revenge that adds many new factions, units, and buildings to the game, while placing special emphasis on realism while maintaining the signature style and spirit of Red Alert 2.

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.

A 2D RTS in the style of the Command and Conquer series, specifically inspired by Command and Conquer: Generals. You can construct buildings, produce units, and destroy enemy bases.

HL4K: RT Reloaded is a 4K texture pack for the XashRT engine (Xash3D branch with tracing support) that replaces the original Half-Life textures with highly detailed 4K versions and adds real-time ray tracing: dynamic lighting, reflections and shadows, while preserving the atmosphere and gameplay of the classic game.