Cheat mode
Enter "496-93-993" as a password to unlock everything except the Gamecube link cars.
Enter "723-83-462" as a password to unlock everything.
| Level | Password |
| 2 | 143-24-813 |
| 3 | 141-38-985 |
| 4 | 249-48-723 |
| 5 | 294-16-277 |
| 6 | 457-51-438 |
| 7 | 112-86-545 |
| 8 | 447-65-112 |
| 9 | 368-54-466 |
| 10 | 718-59-438 |
| 11 | 363-95-545 |
| 12 | 373-65-848 |
| 13 | 171-49-211 |
| 14 | 373-59-216 |
| 15 | 373-62-927 |
| 16 | 718-42-276 |
| 17 | 358-59-355 |
| 18 | 478-68-254 |
| 19 | 573-77-683 |
| 20 | 188-58-352 |
| 21 | 766-46-341 |
| 22 | 187-98-394 |
| 23 | 188-12-234 |
| 24 | 786-84-747 |
| 25 | 466-59-979 |
| 26 | 477-58-369 |
| 27 | 447-62-191 |
| 28 | 614-81-432 |
| 29 | 641-18-239 |
| 30 | 399-68-584 |
| 31 | 662-84-635 |
| 32 | 476-63-843 |
| 33 | 616-67-341 |
| 34 | 384-97-475 |
| 35 | 363-13-298 |
| 36 | 521-71-135 |
| 37 | 543-17-658 |
| 38 | 782-57-387 |