6 file, 835 blocks.

Release date is an estimate, based on other releases of the same game and the issue of Gamers Guide where it was first reviewed.

• 1st best version (of 10) of this game in Gamers Guide #3 (24 January 1991).
• 1st best version (of 6) of this game in Gamers Guide #2 (7 January 1991).
• 1st best version (of 4) of this game in Gamers Guide #1 (20 December 1990).