Here is the culprit for the huge decline in global productivity for at least a few months, if not years :) No description should be necessary here – let's just say that if you really don't know what Tetris is or you think you've seen falling blocks in your dreams, you ain't seen nothing yet! It's probably also the most cloned and imitated game in the world. Definitely NOT an underdog, but its designer Alexei Pajitnov is, as he never became well-known. Check out his other games on this site!Reviewed by: Underdogs
Tetris 
