Nintendo 3DS: The 5 hidden Easter Eggs you need to know about

Of course the 3DS camera uses the ‘?’ Box card to display its augmented reality magic, but did you know different events occur during fishing depending on the colour of the surface you’ve placed the card? A blue surface, for example, will cause a gang of sardines to come swimming into your pool, while a red surface will send an army of Mario Cheep Cheeps stampeding into your waters - and you can catch them too.