3D Tetris is a modern take on the classic Tetris game, where players must manipulate falling blocks to create complete all lines and clear them from the playfield. However, in this version of the game, the blocks are three-dimensional, making it a more challenging and exciting experience.

The game is played on a three-dimensional grid, where the blocks fall from the top of the screen towards the bottom. The player must use the left and right and the up and down arrow keys to move the blocks, and the rotation keys to rotate them in 3D space. The objective is to arrange the falling blocks so that they form complete grid on ground.

3D Tetris is a fun and challenging game that takes the classic Tetris gameplay to the next level by adding a third dimension. With high scores and achievements, it offers a lot of replay value and is sure to keep players engaged for hours.