Most titles support 1–4 players; a few family-focused versions list 2–4 players, and one title lists 1–2 players.
Available details show these games are unplugged: no app required and no batteries used.
Multiple titles state the game can be played only once because players must mark up, fold, or tear the game materials to solve the riddles, which prevents repeat plays.
The listed difficulty ratings range from 2 out of 5 up to 4 out of 5, with several titles showing 2/5 or 3/5.
Common components called out include jigsaw puzzles or puzzle pieces, a decoder disk or puzzle decoder, clue/hint cards, and story/riddle materials.
In the described titles, multiple jigsaw puzzles act as gameplay stages: you assemble each puzzle to reveal a location or new riddles, then use the decoder disk and any newly found items to solve those riddles.
