Treasure Island features 80 challenges: can you shift the pieces to deduce the location of the hidden temple? Brain Games Build Skills: Kids and adults can build problem-solving and deduction skills with fun-to-play SmartGames board games. Ages 8 & Up: This puzzle is perfect for kids and adults alike. With 80 challenges, you’re sure to find a puzzle that tests you and pushes you to think outside the box. While it’s a single-player game, it’s exciting to solve challenges with others. Set Includes: 3D Game Board, Shifting Island Pieces, Booklet with 80 Challenges and Solutions. Award-Winning: SmartGames is the worldwide leader in multi-level logic family games. Our award-winning games offer levels of play from easy to challenging, and we pride ourselves in making family board games that are perfect for players of all ages.