I think you mean TSE360. If so, it is the C/C++ edition of TSE that was made specifically to build games for the XBox360. You have to license it seperately from GG and I believe you also need a developer kit from MS.
TXE (TorqueX) is a new engine built entirely in C# using the XNA framework instead of OpenGL or DirectX.
Torque 3D Owner Jonathon Stevens
TXE (TorqueX) is a new engine built entirely in C# using the XNA framework instead of OpenGL or DirectX.