atari2600land has updated his single and two player simultaneous play variant of a very well known russian block game. The game was previously known as “Tetris”.

Note:

Idea realized:
Title screen: the idea of spelling out 2600tris with the blocks is cool… but how about having them all fall into place from above? Maybe rotating on the way down?

http://www.atariage.com/forums/topic/153710-2600tris/page__st__25