Industrial power core chamber scene in Half-Life Extended mod

ZPatch FOUC enhances and fixes several technical aspects of the game — it disables anti-debugging checks, removes the 100 FPS limit, turns off forced VSync, and introduces other useful improvements for smoother gameplay.

FlatOut W32 & BGM Tool - инструмент для работы с файлами .w32 и .bgm в серии FlatOut.

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

ZMenu FlatOut UC + Chaos Mod is a powerful in-game trainer for FlatOut: Ultimate Carnage, offering over 200 effects including mouse camera control, car texture changes, teleportation, gravity manipulation, physics modification, and much more.

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.