Just like any other muscle in your body, your brain works best when you keep it in tip top shape. Since most of us can't spend all day learning new things, a great way to keep our mind in shape is by playing brain-teasing mini-games. Brain It On! – Physics Puzzles is an assortment of short mini-games that will help keep your mind sharp. All of the brain-teasing puzzles in Brain It On! are completely physics-based. Most puzzles have multiple solutions and it's up to you to find the right or best one. Play alone or challenge friends and compete for the Brain It On! crown. There are many puzzle packs available and a lot more coming and unlockable using stars you win throughout the game. Don't let a slow mind get you down. Play Brain It On! – Physics Puzzles on Mac and PC with the free BlueStacks 4 player.