Mountain O' Monkey Money is a Premium Upgrade in the Premium Store that costs File:CoinsIcon.png1000. It was released on 26th April 2012. When purchased, it gives you File:Monkey Dollar.png26,000. If you had bought it during any of the Double Monkey Money updates, you would be given File:Monkey Dollar.png52,000 instead! (That may have saved $100USD if purchased during the Double Monkey Money updates)