免费和开源引擎
Agar - 一个高级图形应用程序框架，用于2D和3D游戏。
Allegro - 基于 C/C++ 的游戏引擎，支持图形，声音，输入，游戏时钟，浮点，压缩文件以及GUI。
Axiom 引擎 - OGRE的衍生引擎。
Baja 引擎 - 专业品质的图像引擎，用于The Lost Mansion。
Boom - Doom代码的一部分。由TeamTNT开发
Build 引擎 - 一个第一人称射击游戏引擎，用于Duke Nukem 3D。
Bullet - 开源物理引擎，广泛应用在各大游戏主机。
BYOND - “Build Your Own Net Dream”的所写，支持各种类型的游戏，包括MMORPG。
Ca3D-引擎 - 一个比较成熟的引擎，有自己的SDK，世界编辑器等。
Cadabra 3D 引擎 - 用于快速开发3D游戏。
Catmother - 一个基于BSD授权的引擎，只限个人使用，不能做商业用途。是一家游戏公司的开源引擎。
CheapHack - 一个已经过时的TomazQuake衍生引擎。
Crystal Entity Layer - Crystal Space 3D 引擎的扩充
Crystal Space - 3D应用程序的常规框架。
Cube - Cube2 ──> Sauerbraten
DarkPlaces - 高级开源3D引擎之一。
Delta3d - 整合和其他知名免费引擎，最初由美国军方开发。
DGD - 一个面向对象的MUD引擎。
Doom 引擎 - 现在已经免费的引擎，曾用于Doom和Doom II
DXFramework - 一个简单，带有教学性质的2D/3D引擎，基于DirectX和Visual Studio
DX Studio - 一个专业3D引擎，附带编辑器套件，由Worldweaver公司开发。
Eclipse - 一个2D MMORPG编辑器。
Elysium Source - 2D网络游戏引擎，VB6开发。
Engine 001 - 2D 动作类RPG游戏编辑器。
Epee 引擎 -一个2D/3D开放源代码图像引擎，多平台。
Eternity 引擎 - Doom引擎的改进。
Exult - Ultima VII使用的引擎的开源版。
FIFE - 辐射1和2使用引擎的克隆。
Game Blender - Blender的子项目游戏引擎，用于开发游戏。
Game Maker - 面向对象的软游戏开发平台，支持拖放编辑以及其自己的脚本语言。
GQ - 一个Quake引擎，增添了来自TomazQuake和DarkPlaces的许多新特性。
GZDoom - 基于ZDoom的引擎。
Genesis3D - 用于Windows的3D实时渲染引擎
GemRB - Infinity Engine的一个免费的软件实现。
G3DRuby - 用于高级3D图形。
Haaf's Game Engine - 一个使用硬件加速的2D游戏引擎。
Irrlicht 引擎 - 一个多平台高质量的3D图形引擎。
ioquake3 - 一个基于id Tech 3的引擎
Gosu 2D游戏开发库，用于C++。
Jogre - 一个基于Java的网络游戏引擎。
MRPGe - Visual Basic开发的2D RPG游戏引擎，附带内置的脚本支持，可定制化强，正在开发阶段。
M.U.G.E.N - 2D格斗游戏引擎。
Multiverse Network - 网络游戏开发平台，包含服务端、客户端，以及一些开发工具（对个人免费）
Nebula Device - 由德国的游戏开发工作室开发的实时渲染3D引擎。
NeL 引擎 - 用于开发网络游戏的引擎。
OctLight - Java游戏引擎，基于OpenGL。
Open Dynamics Engine - 物理引擎
Open Game Engine - 一个开源引擎，包含开发游戏所需的各种组件。
OGRE Engine - 一个非常流行的面向对象图形渲染引擎，亦称OGRE3D。
Online RPG Maker - 一个2D网络游戏引擎，以脚本方式编辑。
Panda3D 引擎 - 基于Python的快速开发游戏引擎。
PlayerWorlds - 一个简洁且广泛使用的2D网络游戏引擎。
PLIB - 包含3D、音效、GUI、窗口管理。支持Linux/Windows/MacOSX。
ProQuake - 更动过的Quake引擎。
Pygame - python游戏引擎，作品见PyWeek
毁灭公爵II引擎 - Quake II的引擎。
毁灭公爵III引擎 - Quake III的引擎。
Reality Factory - 一个开源引擎，面向非程序员开发，基于Genesis3d图形引擎。
Raydium - Maniadrive 使用
RealmForge - 用于微软 .NET Framework的引擎，Visual3D.NET的原始版本。
Sauerbraten - 一个基于Cube引擎的优化版。
Sonic Robo Blast 2 - 深度修改的Doom Legacy引擎
Soya 3D - 基于Python的开源3D引擎
Stratagus - 一个多平台即时战略游戏引擎。
Telejano - Quake引擎的修改版。
Tenebrae - Quake引擎的修改版。
Toi - 一个正在开发的3D游戏引擎，可用于单机和网络游戏开发。
Tomb4 - The engine used to play custom Tomb Raider games built using TRLE (Tomb Raider Level Editor)
vbGORE - 用Visual Basic 6开发的网络游戏引擎（通过3D函数表达2D图形）
Well of Souls - 基于脚本化编辑的2D引擎，附带可视化世界编辑器。
Yake - 组件化，面向对象化的的引擎。
Zak 引擎 - 为业余和专业游戏开发者开发的2D引擎，基于DirectX 8.1和9。 支持脚本、贴图地图、音效、粒子系统等。

商业引擎
Arcane 引擎 - Wolfpack Studios为《Shadowbane》开发的引擎
Aurora 引擎 - 为RPG研发的引擎。
Beyond Virtual - 一个面向对象化的实时渲染3D引擎，表现优秀。
Blade3D - 基于Microsoft XNA的新一代引擎。
BRender - 一个即时渲染3D引擎，用于电脑游戏，模拟器，绘图工具开发。
C4 Engine - Eric Lengyel开发的下一代电脑游戏引擎
Chrome Engine - 支持DirectX 10的下一代游戏框架，主要用于FPS游戏（Windows, Xbox 360），由Techland开发。
Coldstone game engine - an old game creation suite for Macintosh/Windows to create role-playing or adventure-style games
CryENGINE, CryENGINE2 - CryENGINE是《孤岛惊魂》的游戏引擎。 CryEngine 2 是Crytek为开发《孤岛危机》研发的新一代游戏引擎。
Dagor Engine 3 - A high-tech cross-platform game engine (3D, physics, game logic) with rich toolset for content development
Deep Creator - A 3D game engine
Doom 3 engine - Used by the games Doom 3, Quake 4, Prey and Quake Wars
EAGL (EA Graphics Library) - A cross-platform graphics engine used by Electronic Arts in their EA Sports titles.
Earth-4 Engine - The graphics engine used in Earth 2160
Electron engine - Currently in development by Obsidian Entertainment for their game Neverwinter Nights 2, based on the Aurora engine
euphoria - A real-time motion synthesis engine by NaturalMotion
Explorations - 2d MMO creator
FPSCreator - 3D First Person Shooter creator
Frostbite Engine- Game engine used for the next-gen title Battlefield: Bad Company
Gamebryo - A cross-platform 3D computer graphics engine coded in C++
GFX3D - 目标公司为旗下的数款游戏开发的引擎。
Havok[1] - Very High-tech cross platform (PC, PS3, Xbox 360 etc) middleware Engine.
IMUSE - Specifically designed to synchronize music with visual action
INSANE - Used in LucasArts games
Infinity Engine - Allows the creation of isometric computer role-playing games
Jedi - A game engine developed by LucasArts for Star Wars: Dark Forces and Outlaws
Kaneva Game Platform - A full featured MMOG engine for independent and professional game development
KjAPI - A C++ technology to create games and 3D applications for PC computers
Lithtech - A competing alternative to the Quake, and Unreal engines.
Lithtech Juipter Ex - A new generation Lithtech engine developed by Monolith to create the game F.E.A.R.
Medusa - A C++ 3D game engine developed by Palestar and used in the DarkSpace MMO. It features distributed world simulation, single tool version control and asset realisation, cross-platform compatibility and an integrated client/server network system.
morpheme - A graphically-authorable animation engine by NaturalMotion
Monumental Technology Suite - A MMOG platform, including server and cleint technology and development / live management tools.
Multiverse Network - an MMOG platform, including server, client, and tools. (Free for development and use--revenue sharing upon commercial deployment).
Odyssey Engine - Used to create three dimensional computer role-playing games, used in Star Wars: Knights of the Old Republic
ORE - Online RPG Engine
Quest3D - www.quest3d.com
Power Render - A general purpose software development kit for games and 3D visualization
RAGE - A game engine created by Rockstar Games use it to power their upcoming video games on the Xbox 360 and PlayStation 3
Reality Engine - 3D game engine by Artificial Studios
RelentENGINE - A next-generation FPS engine supporting massive destroyable city environments and realistic vehicle control, makes extensive use of shader model 3.
RenderWare - A very popular 3D API and graphics rendering engine
Retribution Engine - A game engine to make first person shooter games
Revolution3D - A 3D graphics engine developed by X-Dream Project
RPG Maker XP - A 2D engine to make top-down and isometric-style role-playing games for Windows.
SAGE engine - Used to create real-time strategy games
SCUMM engine - Used in LucasArts graphical adventure games
Serious Engine - The engine by Croteam used in the epic Serious Sam: The First Encounter and the inspirational - The Second Encounter
Shark 3D - A middleware from Spinor for computer, video games and realtime 3D applications
Silent Storm engine - A turn-based strategy game engine
Sith - A game engine developed by Lucasarts for Jedi Knight: Dark Forces II
Slayer - A game engine created by The Collective, Inc. and used in Buffy the Vampire Slayer, Star Wars Episode III: Revenge of the Sith, Indiana Jones and the Emperor's Tomb and Wrath Unleashed
Source engine - A Game Engine developed by Valve Software for Half-Life 2
Torque Game Engine - A modified version of a 3D computer game engine originally developed by Dynamix for the 2001 FPS Tribes 2
Torque Game Engine Advanced - A next-generation 3D game engine support modern GPU hardware and shaders.
TOSHI - A fourth generation cross platform game engine designed by Blue Tongue Entertainment
Truevision3d - A 3D game engine using the DirectX API
Unigine - Cross-platform middleware with great graphics
Unity - An easy-to-use open-ended 3D game/interactive software engine
Unreal engine - One of the most popular game engines for action games
Vengeance engine - A video game engine based on the Unreal Engine 2/2.5
Vicious Engine - Available for Microsoft Windows, Sony PlayStation 2, Microsoft Xbox, and Sony PlayStation Portable
3DGame Studio - www.3dgamestudio.com
Vision Game Engine - A commercial game engine used in 50+ titles by companies like T2, Atari, Neowiz and Threewave. Available for PC, Xbox, Xbox360 and PS3
Visual3D.NET - 3D platform and visual development environment built upon Microsoft .NET 2.0 and XNA Framework for developing for PC, Xbox 360, and Windows Mobile devices using C#, Visual Basic, J#, C++.NET, JScript.NET, IronPython, and visual scripting.
Virtools - A 3D engine combined with unique high-level development framework, used for game prototyping and rapid developments. Available for Windows, Macintosh, Xbox, PSP
White Engine - Square-Enix's proprietary seventh generation game engine to be used for their PS3 projects.
zerodin engine - 一个MMORPG专用的商业引擎，用于PC，XBOX360等多个平台，目前为止最适合开发MMORPG的商业引擎，引擎前身用于著名的RF online.
Zero - 3D game engine used in Star Wars: The Clone Wars, Star Wars: Battlefront, and Star Wars: Battlefront II
Maz 3D Game Engine - Designed by Students C++ & OpenGL

手机游戏引擎
GledPlay - 一套完整的SDK用于开发手机游戏。
game-editor - 为GP2X开发游戏的开发套件。
PSP
WGAF - Guild Software用于开发Vendetta Online的引擎。
XnGine - 最早的实时3D引擎之一。