The 4th chapter of the Italian inventor's puzzle series!Unravel the codes, unlock the Cryptex, and escape the room.The Da Vinci Cryptex 4 is an escape room game with 50 unique riddles written on a book. The more you go on, the harder the puzzles become.50 unique handcrafted puzzlesHints available (click the bulb button to get a hint) Astonishing graphicsCaptivating background musicIf you're a fan of puzzles, math, brain teasers, mind games and IQ tests, The Da Vinci Cryptex 4 is the game for you.Have fun!