This is a regional variation of Raiders5, specifically released in Japan. It is likely to share the core gameplay and mechanics with the international version, but might feature localized elements like language or specific content changes.  Konami, the developer, frequently released region-specific versions of their games, potentially adapting the games to suit local preferences or regulations.  Further research is needed to pinpoint any concrete regional differences in gameplay or presentation compared to the international version.

Raiders5 (Japan)

Raiden II New / Raiden DX (newer V33 PCB) (Raiden DX EEPROM)