Claim: Tetris has sold approximately 70 million digital copies.
Evidence: In January 2010 , it was announced that the Tetris franchise had sold more than 170 million copies , approximately 70 million physical copies and over 100 million copies for cell phones , making it the best selling paid-downloaded game of all time.
As of 2014 , it reached 425 million paid downloads , making it the best-selling paid mobile game of all time.