The Retribution Engine is designed for first person action games on Windows PCs using OpenGL and OpenAL. It is supplied with a wide range of games and levels and includes fully featured level and model editors.
The exe file is corrupted. I try it to install the downloaded "RetribEngine_112_setup.exe" and I have this installation error: "RetribEngine_112_setup.exe has encountered a problem and needs to close. We are sorry for the inconvenience."