Polyhedron (Issue 20 - Vol. 4, No. 5)

Cover art: A nearly indestructible GAMMA WORLD game Aquabot descends on the unsuspecting mutated inhabitants of the main city of the Radioactivists, by Roger Raupp. (from the contents page)

This issue featured The 384th Incarnation of Bigby's Tomb by Frank Mentzer - A "new" module created for the AD&D game tournament at the 1984 Winter Fantasy mini-convention.

This issue had a few errors on the contents page: "Women in Role Playing" was listed as page 21 instead of 24, "Now That It's Over" was listed on page 23 instead of 27, "Dispel Confusion" was listed on page 25 instead of 29, and the "Classifieds" was not listed.