GameSearch

"Giant Hamsters in Willowdale!" is a thrilling investigative game for one player that involves solving puzzles through visiting locations while using logic to uncover clues, overcome obstacles with skills or helpers like big Thighs, Big Arms, &nbsp;"Big Heart", and collecting evidence. The object of the adventure is to figure out what's going on in Willowdale regarding giant hamsters coming into existence from nowhere!</div>

Puzzle

"Willowdale Mystery", "The Secret of the Giant Hamstering" by John G.
Hessler, published in 1991.