Now it is coming with BTS, Global top band. Anyone who love BTS or love the puzzle can enjoy BTS Spot the Difference Puzzle for free.Let's find different spots between two pictures with concentration. You will lose when all hearts are burnt out but there is no time limit.Whoever can play BTS Spot the difference puzzle easily. It would be fun and give you a big thrill to meet BTS.PS. Improving concentration is the bonus of this puzzle.