Push and hold down "space" the right "ALT" and "F1" in the overhead mode this will bring up a cheat trunk you will them be asked to enter a code. the code varies from chapter to chapter. here is the list of codes by chapter.
 | Chap1-6478 |
| Chap2-9216 |
| Chap3-7702 |
| Chap4-2132 |
| Chap5-5052 |
| chap6-0680 |
| Chap7-0194 |
| Chap8-4743 |
| Chap9-9995 |
