Beanstalk Bounce is a game that you have to play in order to complete The Great Moshi Beanstalk.
It was released on August 5th, as start of the first part of the Beanstalk, Twaddleton.
You must play a lot and get a high score to climb higher and higher to the top of the Beanstalk.
There are Mini-Missions in each Section, with the last one containing a moshing, with other rewards, such as Rox and EXP.