Alliance Reforged

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.

Half-Life: Extended is a large mod for Half-Life that expands the original campaign by combining content from Blue Shift and Opposing Force, adding new levels, reworking NPCs and maps, and increasing world detail. The campaign has become larger and more varied, making Half-Life: Extended feel like an almost entirely new game.

Tiberian Sun Factions is a mod for C&C Tiberian Sun that primarily adds two new factions to the game - Civilian Defense Force (CDF) and Computer Assisted Biologically Augmented Lifeform (CABAL).

Open-source reverse engineering of the Diablo 1 engine, allowing the original game to run on modern platforms with improvements and fixes.

C&C: Mashup — a mod for Yuri's Revenge based on C&C Rewire. It combines elements from Tiberian Sun and Yuri's Revenge, adding the GDI and NOD factions. The mod focuses on multiplayer and single-player skirmishes, offering over 40 different game modes and around 20 new maps.