Open source, lightweight, cross-platform 2D and 3D game engine implemented in C++ and released under the MIT license. Created by developers, for developers. U3D aims to give you the tools you need to stand up your game quickly, then experiment with and iterate on your game's design.

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Replicating Quake 3 character physics with U3D

Replicating Quake 3 character physics with U3D

Server Side Coding Tutorial

Here is a tutorial on how to create an U3D game with a playable first-person character and first-person camera, using the Quake 3 character movement physics...

Getting started with Inverse Kinematics in U3D

Getting started with Inverse Kinematics in U3D

Server Side Coding Tutorial

Inverse Kinematics (IK) is a technique used in game engines and animation software to control the movement of a character's joints in a more realistic...