They're part of the mythical Konami Code, a cheat code that's been granting players extra gold and lives since its introduction in 1986, with Konami's NES port of the space shooter Gradius.
It is the third entry in their Parodius series, itself a parody spin-off of their Gradius series. This is the Super Famicom port, which added new characters: Goemon/Ebisumaru from Ganbare Goemon ...
Speed demons can look forward F-Zero: GP Legend and the Japan-only title F-Zero Climax. To play these titles you will need to have access to the higher 'Expansion Pack' tier subscription. Here's ...