After beating Gruntys tower, you will play a slide game. Collect as many coins as possible, Then reload your game. Go to the arcade machine in Spillers Harbour, Spillerston. Press A to bring up a menu of games. You need a certain amount of coins (N.Kredits) to play each game (Note: They are the mini-games from the levels,so you can play them after you beat them. Games include Sheep Dip, Egg Slide, Ancient Bregull Challenge and more)