Um die folgenden Cheat-Codes in Need for Speed Underground 2 anwenden zu können, müssen Sie zu Beginn (während "Press Enter" angezeigt wird) diese eintippen:
| Cheat | Wirkung |
| regmebaby | 20.000 Dollar (Karriere-Modus) |
| regbybank | 200 Dollar (Karriere-Modus) |
| ordermybaby | Alle Autos freischalten |
| yodogg | Snoop Dogg – Sponsor |
| wanacapone | Capone – Sponsor |
| wintmyd3 | D3 – Sponsor |
| tunejapantuning | Japan-Tuning – Sponsor |
| davidchoeaart | David Choe – Sponsor |
| opendoors | Alle Türen freischalten |
| needbybestbuy | Best Buy – Vinyl |
| gottahavebk | Burger King – Vinyl |
| gottaedge | Edge – Vinyl |
| gotmycingular | Cingular – Vinyl |
| goforoldspice | Old Spce – Vinyl |
| shinestreetbright | Abblendlicht |
| needperformance1 | Performance-Upgrades Level 1 |
| needperformance2 | Performance-Upgrades Level 2 |
| gimmevisual1 | sichtbare Upgrades Level 1 |
| gimmevisual2 | sichtbare Upgrades Level 2 |