Here is a list of all the Premium Upgrades and their cost: * Frag Bombs - Free * Double Ranga - File:CoinsIcon.png15 * Exploding Darts - File:CoinsIcon.png7 * Crystal Ball - File:CoinsIcon.png10 * Dreadnaught - File:CoinsIcon.png12 * Digital Amplification - File:CoinsIcon.png15 * Monkey Tycoon - File:CoinsIcon.png12 * Healthy Bananas - File:CoinsIcon.png15 * Double Cash - File:CoinsIcon.png24 * Buy Rank 31 (called Buy Rank 32 in Bloons TD 4 Expansion) - File:CoinsIcon.png12 * Buy Everything - File:CoinsIcon.png100