ROTFL! No, it's not NES, I've never owned one. It's C64 (I still have a running C64!), but all you need to do is download some emulator (like VICE
- be sure to download the version for your OS) and the game file. I'll give you a link when somebody guesses what is it.
Thanks but I've already got Vice on here somewhere. I use it to play the original Wolfenstein.