Competitors/Game Engines
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SOURCE - SOURCE SDK
Valve is dedicated to providing the best tools and resources for the modding community. The Source engine and SDK give you all the tools you need to produce brilliant game creations.Anyone can now download a full version of the best All-In-One Game Development Engine, for free and use it without charge for non-commercial game development. Try out the fastest toolset for creating game worlds and use the power of CryENGINE 3 in your own games.
Crytek | MyCryENGINE
Gamebryo | Industry-Leading Cross-Platform Game Development Engine | Emergent
Proven in more than 300 published games , Gamebryo is the industry standard cross-platform solution for development of any genre of game from casual to MMORPG.©2012 Act-3D B.V. Act-3D® and Quest3d® are registered trade marks of Act-3D B.V. All other brand names, product names or trademarks belong to their respective holders.
Welcome! - Quest3D
UDK - Unreal Development Kit - Epic Games
UDK is Unreal Engine 3 – a complete professional development framework.
Torque 3D | Products | TorquePowered.com
Multi-player Made Easy Bandwidth, latency, and packet loss are primary concerns among anyone looking to make a multiplayer, networked game.
Unity 3.5 is now available for download! This latest release gives more power to artists and developers to minutely control complex elements while still preserving our famous ease of use and access. Whether you are an indie dude with a dream or a major studio mapping out your next big hit, Unity 3.5 makes the road to your awesome game shorter, faster, and a lot more fun!