Falling Block Puzzle: Retro is a free game available on the iPhone platform. The goal of this game is to score as many points as possible by clearing horizontal lines of blocks. The gameplay involves rotating, moving, and dropping falling blocks inside the Matrix, the playing field. To clear a line, it must be filled with blocks and have no empty spaces.

One of the key features of Falling Block Puzzle: Retro is that players can set the game level before starting. By tapping the right and left buttons, players can adjust the difficulty to their liking. This allows for a customized gaming experience, catering to both beginners and more experienced players.

With its retro-inspired graphics and addictive gameplay, Falling Block Puzzle: Retro offers hours of entertainment for puzzle game enthusiasts. Whether you're looking to challenge yourself or simply pass the time, this game is a great choice for all ages.