Dungeon Master Chaos Strikes Back Editor is an Atari ST program by Simon Oke that can edit dungeons and saved game of both Dungeon Master and Chaos Strikes Back. This tool was distributed on the cover disk of the British ‘ST Format’ magazine issue #55 in February 1994.
A previous version of the Chaos Strikes Back dungeon editor by Antony Burden and Simon Oke V3.4 dated 5/1/90 was distributed on the cover disk of the British ‘ST Format’ magazine issue #12 in July 1990.
You may find the Atari ST disk images of ST format cover disks