Nintendo 3DS XL (3DS) Cheats & Tips
Cheats, codes, tips, hacks, how to's, and walkthroughs
Hacks / How to unlock: Extra/Bonus Game
Open the Internet Browser's new page screen and tap the screen 6 types to the tune of classic Super Mario theme. You should see "Favorite Bookmarks" change to "Stage Select." Choose any bookmark to start a hidden game.