Riddles for Puzzle Rooms and Escape Artists

I guard the first lock with a key hidden in wordplay. What am I?

I reveal secret ink when warmed by candlelight. What am I?

I chime the answer when the room falls silent. What am I?

I scramble digits into coordinates on a map. What am I?

I open only when four switches flip in rhythm. What am I?

I hide in the bookshelf as a hollow decoy. What am I?

I require UV light to read my message. What am I?

I reward collaboration when magnets align. What am I?

I set the time limit ticking loud and clear. What am I?

I whisper hints through walkie-talkies. Who am I?

I am the combination drawn from star constellations. What am I?

I connect dots between paintings to reveal a safe code. What am I?

I celebrate victory with a selfie and props. What am I?

I keep track of clues solved and locks left. What am I?

I am the rule that says no brute force, only clever thinking. What am I?