With hundreds of published titles, 3D GameStudio authoring suite for 2D, 3D realtime applications. It combines the C-Script programming language with a high-end 3D engine, a 2D engine, a physics engine, a level, terrain and model editor, etc...
A complete game framework, editor and toolset for the creation of PC multiplayer action games. It is the result of several years of development effort at spanish developer Tragnarion Studios, and is based in nebula2, the open-source 3D engine from Radon Labs.