Anyone remember Welltris, 2.5D Tetris? There was a cottage Silicon Valley business that sold a mouse input TSR for Welltris called "Mouse Commander" that did w

Anyone remember Welltris, 2.5D Tetris? There was a cottage Silicon Valley business that sold a mouse input TSR for Welltris called "Mouse Commander" that did what it says on the tin. The line drawn logo on the manual, that came in a plastic bag with the diskette, was a mouse sitting on a tank mixed with *tris elements. I can't find a single reference to it on the web.