«Secret Treasure.» is a game, that tests a person's ingenuity or knowledge. In a puzzle, the solver is expected to put pieces together in a logical way, in order to arrive at the correct or fun solution of the puzzle. «Secret Treasure.» is an analogue of the game "Fifteen". The game has two difficulty levels. The game has 30 puzzles. The player can take pictures from the gallery to get new puzzles.