Knock Down Knock Down 2018 Knock Down Game Knock Down Boxes Angry Ball Knock Down You Have To Knock Down All Boxes in Level With Number of Angry Ball Birds Available According to Difficulty of Levels Fall Down All Boxes to Ground From Anywhere in Screen to Complete Level You Can Aim Boxes With Angry Ball Birds & Slingshot to Hit them There is Real Adventure Effects of Environment & Background Sound Effects Many Number of Levels With Increasing Difficulties of Level & Aiming Capacity & also number of Boxes You can also say this, a physics game because all things are controlled by physics. Enjoy Game & Share Your Friends to Beat Your Highest Level