For some reason they've called it Probotector and Gryzor here in Europe. In any case, this is one of the must-play games on the NES (if you can get around the insane difficulty level).
Contra is a NES game that can be played here for free on playretrogames.online using your web browser. It was added on 14/4/2019 and has been played 548 times.
play contra nes