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...
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Fox Engine
ProprietaryThe Fox Engine is a cross-platform game engine created by Kojima Productions. The development of the engine began after the completion of Metal Gear Solid...
M.U.G.E.N
GPLM.U.G.E.N, a 2D fighting game engine, originally released in 1999. M.U.G.E.N is designed to be highly customizable, allowing very fine control over each...
RPG Maker XP
CommercialThe Ultimate RPG MAKER for Windows! Introducing RPG MAKER™ XP, the latest Windows entry in the RPG MAKER series that gives you the power to create your...
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Drag[en]gine
L-GPLThe Drag[en]gine is a fully customizable game engine and game development environment designed with modularity and extensibility in mind not requiring...
RPG Maker MV
CommercialRPG Maker was born to fulfill the desire of creating an original RPG without programming knowledge. Four years have passed since the release of the previous...
Limon Engine
L-GPLLimon Engine is a Multiplatform, multithread, 3D game engine focusing on FPS games. It is a Free software, and all history starting from commit 0 is on...
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...
Xash3D Engine
GPLXash3D is the powerful independent open-sourced 3D-engine, aimed for high compatibility with GoldSource engine formats (maps, models, textures, sounds...
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...
RPG in a Box
CommercialRPG in a Box is a tool for easily creating 3D grid-based, voxel-style RPGs and adventure games—everything you will need for building and sharing your...
Zero Engine
ProprietaryA proprietary game engine developed by Pandemic Studios, first used Battlezone II: Combat Commander and later used in several Star Wars games including...