Perfect Balance games are casual 2D physics puzzle games where the player needs to place all the given shapes, using mouse, on the playfield so that nothing falls off the screen...Perfect Balance Collection contains two bonus rounds for each level (bonus round 2 is not reachable in every level):1. Balance 9 extra diamonds 2. Make everything fall off the screen with as few clicks as possible Use the built-in editor to play levels made by others via the level database server, or make your own levels!The seven Perfect Balance games inside this collection: 1. Perfect Balance: Harmony (100 levels)2. Perfect Balance: Inferno (120 levels) 3. Perfect Balance: Paradise (60 levels) 4. Perfect Balance: Lost Trials (60 levels) 5. Perfect Balance: Last Trials (53 levels) 6. Perfect Balance: Old Trials (70 levels)7. Perfect Balance: Proto Trials (56 levels)Perfect Balance Collection came first out on mobile platforms and the levels are designed for 9:16 screens. On Windows/macOS/Linux desktop the games are meant to be played in windowed mode, not full screen (but full screen works also).