Here is the full list of all 49 F1 2012 achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
You have won a race using manual gears.
You won a race with all driver assists disabled.
You raced for five different teams in Season Challenge in a single season.
You scored maximum points in the Drivers' Championship in Season Challenge.
You have completed a race without colliding with another car or object.
You have won the Drivers' Championship in Season Challenge.
You have beaten four rivals in one season in Season Challenge.
You have earned a medal in a Champions Mode scenario.
You returned to your starting team in Season Challenge.
You have beaten your first rival in Season Challenge.
You passed all of your objectives over a race weekend in Season Challenge.
You set the fastest penalty-free race lap in Career or Season Challenge.
You won the race from pole position in Career or Season Challenge.
You have taken your first win in Career or Season Challenge.
You finished a race in the top three in Career or Season Challenge.
You have completed your first Grand Prix in Career or Season Challenge.
You have taken pole position in Career or Season Challenge.
You were featured in your first press clipping.
You have earned a gold medal in each Young Driver Test.
You have successfully completed all of the Young Driver Test.
You have earned all of the chevrons available in the Young Driver Test.
You have taken pole position in One Shot Qualifying.
You set a valid lap time in One Shot Qualifying.
You have completed a race using only the cockpit camera.
You have earned a gold medal in a Young Driver Test.
You have successfully used a Flashback during the Young Driver Test.
Stay with the same team through the whole season in Season Challenge.
Obtain a score of 25,000 points or higher in Season Challenge.
Win the Drivers' Championship in Season Challenge on hard difficulty.
Set the fastest lap time in every session of a long race weekend in Career.
Have 4 contract offers on the table at once in Career.
In Career, qualify outside of the Top 10, but finish on the podium.
Move to another team mid-season in Career.
Change R&D paths mid-season in Career.
End R&D on the current season's car early in Career.
Beat Vettel's record of 15 pole starts in one full Career season.
Out-qualify your team mate at every race of a Career or Co-op Season.
Win the Drivers' Championship in Career on any difficulty.
Win the Constructors' Championship in Career.
Set clean lap times at 5 different circuits in Time Trial.
Post a time in all of the Time Attack scenarios.
Earn a gold medal in all of the Time Attack scenarios.
Earn a gold medal in the final scenario in Champions Mode.
Earn a gold medal in every scenario in Champions Mode.
Win the Drivers' Championship in Co-op.
Win the Constructors' Championship in Co-op.
Complete 15 Online races.
Complete 30 Online races.
In Time Trial, beat the lap time of 1:39.635 at the Austin, Texas circuit.