The best alternatives to Pipe Cube are Blendix, Hardcore Tetris, and The Tetris Effect. If these 3 options don't work for you, we've listed a few more alternatives below.
Match and blend the blocks of the same number and combine B-cubes for explosions and tap “Blendix” to open your way through the highest score! There are countless possibilities, and your talent in blending blocks will be the key.