You have to play as a monkey. Jump from one vertical platform to the next to reach the top of the tree and get the prize. The way up is not safe. Some platforms may collapse after a while once you touch them. Some cannot be touched because they have spikes in them. There are also enemies flying between the platforms who want to throw you down. Choose the right moment to jump and get to your target. After successfully completing levels, you will have bonuses available to you.