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The world’s best game engine ...
Now at your fingertips.

Experience the power and potential of Unreal Engine 3 on PC and iOS. Create lifelike scenes and fantastic worlds with the same toolset used to make Gears of War and Infinity Blade.

Go ahead, make something Unreal.

Download the December UDK Beta

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What is it?

UDK is Unreal Engine 3 – a complete professional development framework. All the tools you need to create great games, advanced visualizations and detailed 3D simulations on the PC and iOS. The best tools in the industry are in your hands.

Who's it for?

Anyone. Everyone. You. Unreal Engine 3 has been used by game developers, researchers, television studios, machinima directors, artists and students. If you have an idea that needs to be brought to life in a game engine, UDK is for you.

Why UDK?

Only UDK has the power, flexibility and track record of Unreal Engine 3. These tools have been proven with countless releases and dozens of awards. There is no better way to make awesome games on the PC and iOS than with UE3.

Showcase See more

Chivalry: Medieval Warfare

Chivalry: Medieval Warfare

When Torn Banner Studios wanted to make a game that supported their vision of intricate melee combat in a multiplayer setting, they turned to Epic's Unreal Development Kit (UDK). The powerful Unreal Engine 3 toolset and generous payment structure is allowing them to make the game of their dreams.

Waves

Waves

Waves, the breakout indie game developed by Squid in a Box, delivers addictive gameplay peppered with a confetti of striking visuals. To celebrate the arena shooter’s launch on Steam, we sat down with CEO Robert Hale to talk about his years spent making games and the decision to go with UDK.

Gyro 13

Gyro 13

Developed by Cinemax, Gyro13 – Steam Copter Arcade HD is a fully featured, physics-based helicopter arcade game for iOS that has earned critical acclaim. In Gyro13, players use fine skill and control to navigate cavernous mines, save stranded miners and evade heavy mechanical obstacles.