Stephan's Retrocomputing Site: Mindshadow Screenshots, Apple II binaries and a solution. http://www.retrosite.de/adventure/mindshadow/mindshadow.html

Baf's Guide to the IF Archive: Mindshadow Game information and downloads. http://www.wurb.com/if/game/1311

Stephan's Retrocomputing Site: Critical Mass Manual, sollution and binaries for Apple II and Commodore 64. http://www.retrosite.de/adventure/critical/critical.html