Published in The Oregon Mathematics Teacher (TOMT) January/February, 2006. TOMT is the magazine of the Oregon Council of Teachers of Mathematics (OCTM).
HurkleQuest is a play-by-mail search-and-find game with "fuzzy feedback" clues. This article describes three types of HurkleQuest games:
HurkleQuest on the Number Line
HurkleQuest in Quadrant 1
HurkleQuest in Oregon