TETRIS: The Soviet Challenge (Macintosh - 3.5" Disk) The Original Classic TETRIS For Macintosh! Ten Difficulty Levels, Five Heights To Start From, Randomly Generated Pieces, Beautiful Background Graphics And Russian Music For Mood Setting! Scoring System With Top 10 Recorded Plus 6-Player Tournament Mode! Winner Of Many Awards Including Best Original Game Achievement! Copyright 1987 V/O Electronorgtechnica - 1988 Sphere, Inc.