GoldSrc
CommercialThis QuakeWorld-based engine powered some of the most critically acclaimed engine's of it's day, like Half-Life, Counter-Strike, Day of Defeat, and many...
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RCCE2
CommercialRealm Crafter Community Edition is a continuation of development of SolStar Games’ Realm Crafter Standard. It comes packaged with every tool you would...
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...
Bright Engine
CommercialBright Engine is a Light-Weight C++ Rendering platform aimed towards, Real-time rendering for both Video Games and Cinematic Animations.
Brahma
ProprietaryBrahma is a 3D game engine with a rather retrofuturistic design, intended for small studios and solo developers. It's being written from scratch in C...
Unreal Engine 5
CommercialThe world’s most open and advanced real-time 3D creation tool, Unreal Engine 5 will be available in preview in early 2021, and in full release late...
id Tech 3
GPLPreviously called the "QUAKE 3 Engine" and one of the most successful licensed engines in history, id Tech 3 was the engine used to create games such...
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...
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...
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...