Carnivores 2

GZDoom is a game engine based on Doom, created to run Doom, Heretic, Hexen, Strife and mods for them. It supports hardware 3D acceleration and OpenGL and Vulkan renderers, advanced graphics capabilities, ZScript, high frame rates, an improved sound system and extensive modding possibilities.

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

Half-Life: Residual Point is an ambitious mod for the original game created by Korean developers. It represents a reworking of the original Half-Life events with the addition of new elements and story expansion.

Half-Life: Expanded Arsenal is a mod for Half-Life that not only significantly improves the quality of textures in the game, but also adds a multitude of new weapons and NPCs, expanding the player's arsenal and enemy variety.

Half-Life Prison is a story-driven mod for Half-Life where the player finds themselves in a grim prison engulfed in chaos following experiments and an alien invasion.