Parodius Da! is the Japanese version of the Parodius game. While the core gameplay is similar to the European release, there might be slight differences in the graphics, music, and possibly even some level designs. This version was developed by Konami and was the Japanese origin of the game that was localized for other regions. 

Parodius da! (Japan)

Parasol Stars - Rainbow Islands II - The Story of Bubble Bobble III (Europe) (Beta)