[1] VISIONARY is the direct descendent of the THE ADVENTURE CONSTRUCTION LANGUAGE (TACL) (c) 1988/89 Alternate Realities/Micro Momentum, which was also written by coder Kevin Kelm.
[2] Includes a short example game (incl. source code) called MAGIC POTION on disk 2, which is based on a larger adventure game written by John Olsen using VISIONARY named I WAS A CANNIBAL FOR THE FBI. Additionally, CATACOMB V1.0 (demo) incl. source code is contained on disk 3.