Unlockable - New Helmet & Tracks | |
| New Helmet | If you play Project Gotham for 1 hour you will get a new selectable helmet |
| new helmet | When you play for two hours |
| new tracks in the Time Trial tracks | When you play for three hours, |
| more tracks in the Time Trail | When you play for four hours |
| get a new helmet | When you reach 1000 Kudos points |
Unlockable - Unlockable Cars and Modes | |
| Panoz Esperante | Earn 25000 Kudos to unlock the Panoz Esperante. |
| Chevrolet Camaro SS | Earn all Gold Medals in the Medium Quick Race to unlock the Chevrolet Camaro SS. |
| Unlock Free Roam in Time Attack Mode | Obtain all silvers or golds (no bronzes) in Kudos Challenge Mode for one of the four cities. Free Roam will now be open for that corresponding city. Repeat for the remaining cities' Free Roam. |
| Medal Pursuit Mode | Amass at least 5 hours of playing time to open the ''Medal Pursuit Mode''. Beating preset times on the various tracks in this mode will unlock ''Custom Paint Skins'' for the vehicles of Project Gotham Racing. |
| TVR Tuscan Speed Six | Earn 100000 Total Kudos and a new secret car (TVR Tuscan Speed Six) will be available to use. |
| Delfino Feroce | Earn 75000 Total Kudos and a new secret car (Delfino Feroce) will be available to use. |
| Bonus Level 13 on Kudos Challenge | Clear all Kudos Stages with a Medal and you will get the Bonus Level 13 |
| TT Roadster and TT Coupe | Earn all gold in quick race under easy |
| Lotus Exige | Collect 50,000 kudos to unlock the Lotus Exige |
| Unlock the VW Beetle | Earn 1000 kudos to unlock the VolksWagen Beetle. |
Unlockable - Unlock Special Racing Skins | |
| Unlock Special Racing Skins | To unlock the special racing colours for the Mini, both Audi TTs, Speedster, Evo 7, Focus, Impreza, Skyline, Viper, Exige, Corvette, Feroce and the RX-8, just complete Kudos Challenge level 13 with all gold medals. <BR> <BR> |
Unlockable - Quick Race - Very Hard | |
| Beat quick race on very hard mode with all golds | 355 F1, and the 355 Spider |
Secret - Carrera GT and F50 | |
| Attain 150,000 kudos for the Carrera and 200,000 for the F50 be aware that 200,000 might only be reachable if you complete some of the bonus level which is very, very hard without at least a Carrera. | |
Secret - Infinite Jokers | |
| To enable infinite jokers, complete every challenge in Kudos Challenge mode with a gold medal. This secret only works on the PAL versions of the game. | |
Secret - Lancer Evolution VII | |
| Complete quick race with all golds under hard | |
Password - Faster Mercedes | |
| Enter this as your name! | |
| Faster Mercedes | Reki |
Password - All cars, tracks, and paint jobs. | |
| Enter this as your name. | |
| Unlocks everything | Nosliw |
Password - Name codes | |
| Enter the password as your name | |
| 10000 Kudos | treelife |
