Block Slide Fall Down With the simple rules and easy one-finger control, you can enjoy Unblock: Sliding Block Puzzle at ease. However, don't underestimate this tiny block board game, it is a mighty opponent for you to conquer. Strategize your move carefully, move the block in the least amount as possible and get all three stars. Don't rush - Keep your thoughts flowing and you will find satisfaction once the way is clear. With each red block slide through, you will see your abilities improve little by little and find yourself in a healthy habit.