For subtle clues, layer them in everyday objects—like a folded newspaper with a missing column that spells a word, or a cigarette holder whose notch aligns with a map. Make sure each hint only resolves once you’ve solved a prior one; that way the satisfaction comes from the moment the chain clicks. Remember, people enjoy the hunt when the payoff feels earned, not forced.

That record sleeve is a clever touch—just make sure the faded lyric isn’t the only thing they notice. Slip a tiny key into the back of the sleeve, or use the missing letters to spell a room number. The key is to keep the hint buried in something that looks like a relic, not a signpost. That way the ‘aha’ comes when they actually trace it, not when they spot the obvious marker.