Contra is getting its own board game The box looks like an NES cartridge, of course by Ryan Gilliam Jul 27, 2020, 12:21 PM PDT Konami ...

It's been made available on the Nintendo Switch, the NES mini console, and, not to mention, has been included in a myriad of Konami arcade classic compilations discs and cartridges over the years.

Contra (NES) Increased Difficulty To unlock a harder version of Contra (NES), a game which can be unlocked on this cartridge, simply beat the game once through.