Since the 3DS has physical DS hardware inside, Partners in Time runs perfectly with zero lag or emulation glitches.
: You control four characters simultaneously using all four face buttons (A, B, X, Y). This adds layers to the classic turn-based combat but can become "hectic" or confusing during complex combos.
Power off your 3DS console, remove the SD card, and insert it into your computer. Create a folder named cias on the root of your SD card (if you haven't already). Copy and paste the newly created Mario & Luigi: Partners in Time CIA file into this folder. Step 2: Boot up FBI