GAME ENGINES

Freeware engines

These engines are available free of charge:

• Adventure Game Studio – Mainly used to develop third-person pre-rendered adventure games, this engine is one of the most popular for developing amateur adventure games.
• Baja Engine – Professional quality engine used for the game The Lost Mansion.
• Build engine – A first-person shooter engine used to power Duke Nukem 3D
• BYOND – Short for "Build Your Own Net Dream." Makes various genres of games, including MOGs.Coding, mapping,drawing and testing are all done in one program very simple to use.
• Daybreak motor – Flexible, object-oriented graphics rendering engine for .NET and XNA (XNA 3D Engine) http://www.daybreak.ru
• DGD – An object-oriented programmable MUD engine
• dim3 – Freeware 3D javascript engine for the Mac (although finished games are cross platform).
• DX Studio – Real-time professional 3D engine and editing suite produced by Worldweaver Ltd
• Flatredball – A 2.5D XNA and MDK game engine.
• Game Blender – A sub-application of Blender for creating games
• Game Maker Lite – Object-oriented game development software with drag-and-drop interface and its own scripting language
• GTGE – Golden T Game Engine (GTGE) is an advanced cross-platform game programming library written in Java language.
• Luxinia
• M.U.G.E.N – A 2D fighting game engine

• Panda3D – A relatively easy to use python-driven game engine by Disney
• Pentagram – A project to create a game engine that is capable of running Ultima VIII: Pagan
• PlayerWorlds – A easy-to-use online RPG development engine. Sprites included.
• PlayerRealms – Create old-school style online adventure games with this fantastic game creator. Design your world from scratch and join others with our ever-growing community!
• Q 1.1 Technology – A cross-platform engine for games and other interactive 3D applications. Developed by Servan Keondjian's Qube Software.
• Reactor 3D – A easy-to-use XNA based game engine. High level shader support and powerful features!
• The RealFeel Engine – Powerful 2D, MMORPG engine for Windows XP and Vista
• Torque MMO Kit - Indie friendly, production ready, commercially proven, award winning, MMORPG system.
• World Builder – A pre-Mac OS X game engine.
• XtremeWorlds – A simple, and widely used 2D Online RPG Engine for Windows only
• Wintermute Engine – A runtime and development tools for creating 2D and 2.5D point'n'click adventure games.
• PhyreEngine - A cross platform(PC & PS3) graphics engine from Sony Computer Entertainment