Moto GP - Ultimate Racing Technology 2006 - Platform: Xbox 360 USA Extreme bike: ----------------- At the "Game Mode" screen, press Right, Up, B(2), A, B, Up, B(2), A to unlock the USA Extreme bike. 50th Anniversary bike (yellow/white with black bar stripe): ----------------------------------------------------------- Set your season to 2005 under the "Season" option. Then, win a Quick Race with Valentino Rossi at Laguna Seca to unlock the 50th Anniversary bike (yellow/white with black bar stripe). 50th Anniversary bike (red/white/green): ---------------------------------------- Set your season to 2005 under the "Season" option. Then, win a Quick Race with Valentino Rossi at Valencia to unlock the 50th Anniversary bike (red/white/green). Quick Race Extreme mode and tracks: ----------------------------------- Win a Quick Race in GP mode with Valentino Rossi to unlock Quick Race Extreme mode and tracks. Extreme mode 600cc-1200cc: -------------------------- Repeat all seventeen tracks to unlock more Extreme mode tracks. Unlock USA Extreme Bike: ------------------------ On the GAME MODE screen, enter the following code: Code - Effect ----------------------------------- RUBBABUBBA - Unlocks USA Extreme Bike Note: A - A button B - B button R - Right on D-pad U - Up on D-pad Unlock all achievements: ------------------------ Go to the Achievements menu en hold RB + LB en then push A, B, L, L, Y, Y. Quick Race Extreme mode and tracks: ----------------------------------- As Valentino Rossi, win Quick Race in GP mode.