Formula One 2005 (PlayStation 2)
CheatingDome.com
Bonus helmets
Each time you get 30 points in Career mode a bonus helmet design will be unlocked. No additional designs will appear after 600 points.
Lotus Climax 25
Beat all Silver Times in Timed Test Session mode to unlock the Lotus Climax 25.
Lotus Ford 79
Win any race in any mode (except online) to unlock the Lotus Ford 79.
Test Circuit
Beat all Gold Times in Timed Test Session mode to unlock the Test Circuit.
Williams Cosworth FW08
Beat all Bronze Times in Timed Test Session mode to unlock the Williams Cosworth FW08.
Williams Honda FW11
Win the Drivers Championship in World Championship mode to unlock the Williams Honda FW11.