Found this today on wikipedia...see the information on these games were developed by Mir Dialogue? Any connection to what we are looking for here? Anyone know what Mir-Dialogue is?
Microsoft Entertainment Pack: The Puzzle Collection is a collection of 10 puzzle computer games developed by Mir - Dialogue and published by Microsoft Games. The creator of Tetris, Alexey Pajitnov, designed some of the games featured in the pack.

