Tetris 4D

Tetris in four dimensions! Which, as it turns out, is rather similar to Tetris in two dimensions.

Overview

Tetris 4D is a falling-block puzzle game developed by Bullet-Proof Software (along with Yuke's) and published by Bullet-Proof Software for the Sega Dreamcast exclusively in Japan on December 23, 1998.

The first of three Tetris games released for the Dreamcast (the others being an updated port of The Next Tetris and a port of Sega Tetris), Tetris 4D features stylized 3D graphics and the option for four-player versus multiplayer.