Easter Eggs
Get a hairpin from Nancy's bag and go to the locked door beside Colin. Pick the lock to get an easter egg. At the end of the game, you will get some extras. To get all of the extras, find both easter eggs.
Go to the marketplace and go to the gelatin stand. Get the flavors cherry, coconut, and lime (red, white, and green; the colors of the Italian flag) to get an easter egg. At the end of the game, you will get some extras. To get all of the extras, get both of the easter eggs.