it's simple, ruby is about scale out, not scale up. and rails helps you to build websites faster. multi-player games would probably be very fast to write comp

it's simple, ruby is about scale out, not scale up. and rails helps you to build websites faster. multi-player games would probably be very fast to write compared to c++, however, the code will certainly not be optimized as well as c++, it's an interpreted language for gadsakes!