Here is the full list of all 49 F1 2012 achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Win a race with all driver assists disabled.
Win a race using manual gears.
Set clean lap times at 5 different circuits in Time Trial.
Complete 30 Online races.
Earn a gold medal in the final scenario in Champions Mode.
Earn a gold medal in every scenario in Champions Mode.
Take your first win in Career or Season Challenge.
Qualify in pole position and win the race in Career or Season Challenge.
Set the fastest penalty-free race lap in Career or Season Challenge.
Take pole position in One Shot Qualifying.
Take pole position in Career or Season Challenge.
Beat your first rival in Season Challenge.
Finish a race in the top three in Career or Season Challenge.
Pass all of your objectives over a race weekend in Season Challenge.
Set a valid lap time in One Shot Qualifying.
Complete your first Grand Prix in Career or Season Challenge.
Complete 15 Online races.
Complete any race without colliding with another car or object.
Earn any medal in a Champions Mode scenario.
Be featured in your first press clipping.
Earn a gold medal in each Young Driver Test.
Earn all of the chevrons available in the Young Driver Test.
Successfully complete all of the Young Driver Test.
Earn a gold medal in any of the Young Driver Tests.
Successfully use a Flashback in the Young Driver Test.
Complete any race using only the cockpit camera.
Beat four rivals in one season in Season Challenge.
Stay with the same team through the whole season in Season Challenge.
Return to your starting team in Season Challenge.
Race for five different teams in Season Challenge in a single season.
Obtain a score of 25,000 points or higher in Season Challenge.
Win the Drivers' Championship in Season Challenge.
Win the Drivers' Championship in Season Challenge on hard difficulty.
Score maximum points in the Drivers' Championship in Season Challenge.
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.
Post a time in all of the Time Attack scenarios.
Earn a gold medal in all of the Time Attack scenarios.
Win the Drivers' Championship in Co-op.
Win the Constructors' Championship in Co-op.
In Time Trial, beat the lap time of 1:39.635 at the Austin, Texas circuit.