Classic HOPA gameplay where players find items from a list, though Artifex Mundi includes randomized elements to keep scenes fresh.
Most players complete the main story and bonus chapter in approximately 4 to 6 hours .
Players encounter various logic puzzles, such as reassembling mechanical parts or navigating maze-like environments.
The Steam version includes 11 achievements, several of which are "missable" if you don't complete specific hidden object scenes without using hints.