Classic Tetris is described as 'This is the just Classic Tetris here!' and is a Puzzle Game in the Games category. There are more than 10 games similar to Classic Tetris for a variety of platforms, including Android, iPhone, Windows, Online / Web-based and Linux. The best alternative is Hextris, which is both free and Open Source. Other Classic Tetris like games are Blockinger (Free, Open Source), Tetris Blitz (Freemium), Tetris on a plane (Free, Open Source) and OpenBlok (Free, Open Source).
LTris as a tetris clone: differently shaped blocks are falling down the rectangular playing field and can be moved sideways or rotated by 90 degree units with the aim of building lines without gaps which then disappear (causing any block above the deleted line to fall down).
PureBlocks is a minimalist falling blocks game for those who simply want to play. No registration or internet access needed. Simply start the app and have fun! Default controls: - Move the blocks with the arrow keys. - Rotate with the UP and D and A keys.