Go to Ember Islands, on the left. Select the "Code Entry" option on the "Game Secrets" menu, then enter one of the following codes to activate the corresponding cheat function:
Enter "52993833" as a code to unlock all chapters.All shop items available
Enter "34737253" as a code to unlock all shop items.All concept art
Enter "27858343" as a code to unlock all concept art.Maximum coins
Enter "66639224" as a code.