What are some alternatives?
When comparing Piped Blocks and Arcade Blocks, you can also consider the following products
Quadrapassel - In Quadrapassel, the GNOME version of Tetris, your goal is to create as many complete horizontal...
Tetris Blitz - Race against the clock in a two-minute blitz to clear lines and rack up points before time runs out.
NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Blockinger - An open source Tetris clone for Android.
Beaver time - One day beaver decided to ride on the river by rafts.
blockbattle.net - http://alternativeto.net/software/tetrinet/ clone implemented in JavaScript & HTML.