MotoGP 08 Cheats for the PC

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Achievements
If You complete the indicated task You'll get the allotted gamerscore.
Legend (70) - Win a Championship at Champion difficulty using Simulation riding model and Manual transmission.
On Top of the World (65) - Win the MotoGP championship in Career mode.
MotoGP Hero (50) - Win the MotoGP championship in Career mode at Champion difficulty.
Nothing More Can Challenge Me (50) - Complete all Challenges.
250cc Champion (45) - Win the 250cc Championship in Career mode.
World Champion (40) - Win an official Championship in any class.
250cc Hero (30) - Win the 250cc championship in Career mode at Champion difficulty.
125cc Champion (30) - Win the 125cc Championship in Career mode.
Finally On Top (30) - Choose a MotoGP team in Career mode.
Globetrotter (30) - Win all non-european GPs in the same MotoGP championship.
King of Spain (30) - Win Spain GP, Catalunya GP and Valencia GP in the same Championship.
Retirement (30) - Finish a Career.
A Step Forward (25) - Choose a 250cc team in Career mode.
Dominator (25) - Win a race with a 10 second gap or more from second place.
Technical Rider (25) - Win at Mugello, Catalunya, Donington, Assen and Phillip Island in the same Career Championship.
Unicycle Champion (25) - Win a race performing at least 30 seconds of wheelies.
We Like Mocaccino (20) - Join the Emmi Caffe Latte 250cc Team in Career mode.
Teddy Bear (20) - Join the Grizzly Gas Kiefer Racing Team in Career mode.
Finnish Ice Racing Champion (20) - Win a race using Mika Kallio and performing at least 20 seconds of powerskid.
Am I Racing Alone? (20) - Win a race with a 30" gap from the second at Medium difficulty or more.
125cc Hero (20) - Win the 125cc Championship in Career mode at Champion difficulty.
Like the Real Thing (20) - Win a race at Champion difficulty using Simulation riding model and manual transmission.
Manual Ability (20) - Win a race using Manual transmission.
Sim Master (20) - Win a race at Hard or Champion difficulty using Simulation riding model.
Singing in the Rain (20) - Win a race under the rain.
Maiden Victory (15) - Win your first race ever, in any game mode, with any setting.
Scriptwriters' Strike Is Over (15) - Complete all Scenario challenges.
Street Fighter (15) - Win an official championship riding a Honda.
Test Rider (10) - Complete 20 laps in Time Attack mode with the same rider.
Small but Proud (10) - Win San Marino GP using De Angelis or Poggiali.
Loyalty (10) - Ride for at least 200 km with the same team.
Dani, Brake Carefully! (10) - Win a wet race at Sachsenring using Pedrosa with at least 10 second gap from second place.
I'm Here to Stay (10) - Win the first race in an official MotoGP Championship mode with Toseland.
Drift King (10) - Win a race performing at least 10 seconds of powerskid.
High Noon (10) - Complete all 1vs1 Challenges.
Italians Do It Better (10) - Win one race in MotoGP class using one of the Italian riders.
Who Needs the Front Wheel? (10) - Perform at least 10 seconds of wheelies and finish the race.
My Head Turns (10) - Perform one 360° burnout and then win the race in any game mode.
Photo Finish (10) - Win a race with a second or less gap from second place.
Riding Degree (10) - Win at Assen in a 125cc race.
Shinobi-do (10) - Win an official Championship riding a Kawasaki.
Rossi Fan Club (5) - Win 10 Quick Races with Valentino Rossi.
Here Comes a New Challenger! (5) - Complete a Challenge.
I'm Back Home! (5) - Win a race in Laguna Seca with Hayden in any game mode.
Dedicated to our friends (5) - Win a race with Polaris World Aprilia Team.
Desert Rock (5) - Win a race with Stoner in Losail in any game mode.
Learning to Test (5) - Complete a lap in Time Attack mode.