Skyline Game Engine
CommercialSkyline is a modern take on the game engine offering full features for only £40, with no royalties and no limitations. It has been designed to work much...
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Quake Engine
GPLThe Quake engine is the game engine that was written to power 1996's Quake, written by id Software. It featured true 3D realtime rendering and is now...
Doom Engine
GPLThe Doom engine is the game engine that powers the id Software games Doom and Doom II, as well as Raven Software's titles Heretic and Hexen, then finally...
Raycasting Game Maker
Public DomainThe Raycasting Game Maker is a free easy to use game editor that creates simple raycasting games in the style of Wolf3D. The finished game needs only...
RAGE
ProprietaryRockstar Advanced Game Engine (RAGE) is a game engine developed by the RAGE Technology Group at the video game developer Rockstar San Diego with contributions...
Xash3D Engine
GPLXash3D is the powerful independent open-sourced 3D-engine, aimed for high compatibility with GoldSource engine formats (maps, models, textures, sounds...
id Tech 4
CommercialPreviously referred to as the 'Doom 3 Engine', Tech 4 is id Software's current licensing platform. Powering games such as Doom 3, Quake 4 and Enemy Territory...
4A Engine
ProprietaryA graphics middle-ware engine developed by 4A Games for use in their video game Metro 2033, published by THQ. It supports Direct3D APIs 9, 10, and 11...
IW Engine
CommercialThe IW Engine is a game engine developed by Infinity Ward, based on id Tech 3, which was first used on the highly successful game Call of Duty 2. Since...
Source
CommercialThe Source engine is a 3D game engine developed by Valve Corporation. Its unique features include a large degree of modularity and flexibility, an artist-driven...
Xash3D FWGS Engine
GPLFork of Xash3D engine that ported to many different platforms, such as Linux, *BSD, OS X, Haiku, Emscripten, Android and iOS. Allows play Half-Life out-of-the-box...