You need to unlock tons of puzzles to pass the level. Block Unlocking Game is a special puzzle puzzle game, the game is easy and casual, you can play a game when you are free, and you can get a very satisfying experience. ·Easy to use, obvious gameplay, all operations can be done with just one finger · Very modern flat style design · Free without any fees Each puzzle has several pieces, the "key" piece is inserted between the other pieces, the concept is to solve the sliding puzzle and use your logic and thinking skills to solve the puzzle. There are multiple difficulty levels of puzzles to solve. This game will train your visual memory, intelligence and thinking speed and help you solve puzzles more easily. Let your brain learn and develop problem-solving skills with this game.