Whether you want to slap a hand-drawn "Zelda" emblem on your B-Dasher or skip the grueling 150cc Special Cup grind to unlock R.O.B., QR codes are the key.
Search for "Mario Kart DS Ghost Collection" on the Internet Archive. User “MKGhosts” uploaded over 10,000 ghosts from 2006–2023, converted into QR-ready hex.
