edit page Puzzles for Adults gimath 13 June 2022 note: Easy puzzle ⭐ Medium difficulty puzzle ⭐⭐ Hard puzzle ⭐⭐⭐Puzzle of Crossing the Dark Bridge in 17 Minutes ⭐⭐⭐Golden Chain Puzzle ⭐Puzzle of the Hat ⭐⭐⭐Magic Circles Puzzle ⭐⭐The Puzzle of Separating X from O ⭐⭐⭐ reactions