Exercise your wits and stump your friends with Common Thread, a riddle app that tasks you to find the common thread between 4 riddles.

Each puzzle is made up of 4 clues, any of which could have multiple answers, but when taken all together hint at one common thread. They're trickier than you think! Are you up to the challenge? Once you've mastered the puzzles, you can create your own, and even share them with friends!