BRB is a free game where you are on an adventure playing as a blue rubber ball involved in the universes largest game of catch, you begin in space and travel into the clouds, down to and through the planet and eventually back out among the stars.
Along your journey there are many different obstacles to dodge, paths to find, jumps to fly off and almost every map has multiple ways of completing.
There are five, sometimes hidden, green diamonds on each level that you can collect to get new character skins.