The Japanese release of Tetris Battle Gaiden likely features Japanese language text and potential gameplay differences compared to other versions. Focusing on competitive Tetris gameplay, it would add a multiplayer element to the classic puzzle game.  Details regarding the platform (SNES or other) and exact gameplay features would help define its place in the Tetris franchise.

Tetris Battle Gaiden (Japan)

Tetris Attack (Europe) (En,Ja)