Full list of all 50 Forza Motorsport 3 achievements worth 1,000 gamerscore. It takes around 150-200 hours to unlock all of the achievements on Xbox 360.
Achieve a gold trophy in every single race in the Event List in Season Play mode.
Complete the sixth year of Season Play.
Earn over 100,000 points in a single lap.
Own (at least) one car from every manufacturer.
Reach Driver Level 50 in Season Play mode.
Complete the fifth year of Season Play.
Level 45 in Season Play
Complete the fourth year of Season Play.
Reach Driver Level 40 in Season Play mode.
Level 35 in Season Play
Complete the third year of Season Play.
Reach Driver Level 30 in Season Play mode.
Sell a car in the Auction House.
Win an auction by outbidding someone.
Sell a Tuning Setup, Design, or Vinyl Group from your storefront.
Level 25 in Season Play
Complete a Time Trial.
Complete the second year of Season Play.
Reach Driver Level 20 in Season Play mode.
Race at every track location in the world.
Level 15 in Season Play
Achieve Car Level 5 in Season Play mode.
Reach Driver Level 10 in Season Play mode.
Level 9 in Season Play
Level 8 in Season Play
Create a car tuning file for your car.
Create a paint job or vinyl group.
Achieve Car Level 4 in Season Play mode.
Level 7 in Season Play
Level 6 in Season Play
Complete your first Forza Motorsport movie.
Upload a photo or movie to Forzamotorsport.net.
Take a photo of your car.
Win a race using cockpit view.
Travel in excess of 200 mph.
Buy something using the storefront.
Complete the first year of Season Play.
Level 5 in Season Play
Achieve Car Level 3 in Season Play mode.
Level 4 in Season Play
Complete your first weekend race in Season Play mode.
Level 3 in Season Play
Level 2 in Season Play
Achieve Car Level 2 in Season Play mode.
Complete your first weekday event in Season Play mode.
Level 1 in Season Play
Achieve Car Level 1 in Season Play mode.
Complete the very first race in the game.
Jump five feet.
Earn over 1,000 points in a single drift section.