Donkey Kong Country 2: Diddy's Kong Quest - DK Coin FAQ. Castle Crush - Coin 30 This one is tricky, and you need Squawks to get it. Show barrel firing directions; Improve platform movement (variable speed, play/pause control); Add platform movement in Bonus Areas. Talk about our maps on. it will be Clapper's Cavern, then Castle Crush, then Windy Well, and you can only save after beating Clapper's Cavern. DK Coin: At the very last Clapper, jump.