Pada menu utama, pilih menu Statistics lalu tekan [Del] atau [Backspace] pada keyboard untuk kembali ke menu utama. Lalu ketikkan kode-kode cheat game Need For Speed Underground seperti didalam tabel dibawah ini untuk mengaktifkan fungsi cheat Need For Speed Underground sesuai kode nya.
| Hasi/Fungsi | Kode Curang |
| Mengaktifkan semua track | gimmesomecircuits |
| Mengaktifkan semua track drag | gimmesomedrag |
| Mengaktifkan semua track drift | driftdriftbaby |
| Mengaktifkan semua track sprint | gimmesomesprints |
| Drift physics di semua mode | slidingwithstyle |
| Upgrade performa Level 1 | allmylvloneparts |
| Upgrade visual Level 1 | seemylvl1parts |
| Upgrade performa Level 2 | allmylvl2parts |
| Upgrade visual Level 2 (tidak termasuk vinyl) | seemylvl2parts |
| 350Z | 350350z |
| Tiburon | 667tiburon |
| Peugeot | 77peugeot |
| Eclipse | 899eclipse |
| Focus | 119focus |
| Impreza | 371impreza |
| Lancer | 222lancer |
| RX7 | 777rx7 |
| Miata | 221miata |
| Golf | 334mygolf |
| Sentra | 922sentra |
| Neon | 893neon |
| Skyline | 111skyline |
| S2000 | 2000s2000 |
| Civic | 889civic |
| Supra | 228supra |
| 240SX | 240240sx |
| Integra | 342integra |
| Nismo | givemenismo |
| Celica | 239celica |
| RSX | 973rsx777 |
| Petey Pablo | gimmeppablo |
| Lost Prophets | needmylostprophets |
| Rob Zombie | gotcharobzombie |
| Mystikal | havyamystikal |