Here's what happens when you put a 3DS cartridge in a DSi
As you likely noticed, 3DS cartridges are just one good filing away from being able to fit in a DSi. To save you the trouble, we took a file to our copy of Madden Football, and we've got a detailed walkthrough of exactly what happened after the break.
Nothing. But will it still work in the 3DS?
It will! Ben Heck, eat your heart out.