Here is the full list of all 49 F1 2014 achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Complete 25 online races.
Win the Drivers' or Constructors' Championship in Co-op.
Complete your first race online.
Complete a race in Split-Screen.
Complete a Short Season in Career.
Win the Drivers’ World Championship in a Short Season Career.
Complete a Medium Season in Career.
Win the Drivers’ World Championship in a Medium Season Career.
Complete a Full Season in Career.
Win the Drivers’ World Championship in a Full Season Career.
Win the Constructors' Championship in Career.
Finish a race at every circuit.
Move to another team mid-season in a long Career.
In Career, qualify last, but finish first.
Set the fastest lap time in every session of a long race weekend in Career.
Complete your first race in Career.
Win your first race in Career.
Take pole position in Career.
Set clean lap times at 10 different circuits in Time Trial.
Stay with the same team through the whole season in Season Challenge.
Return to your starting team in Season Challenge.
Win the Drivers' Championship in Season Challenge on hard difficulty.
Set a time in all of the Time Attack scenarios.
Earn a Gold medal in all of the Time Attack scenarios.
Set a time in any Time Attack scenario.
Earn every Gold medal in Scenario Mode.
Earn every Silver medal in Scenario Mode.
Earn every Bronze medal in the easy set in Scenario Mode.
Earn every Bronze medal in the very easy set in Scenario Mode.
Earn a medal in Scenario mode.
Complete a 25%+ distance race.
Perform a Mid-Session Save.
Complete Season Challenge.
Race for five different teams in Season Challenge in a single season.
Beat four rivals in one season in Season Challenge.
Win the Drivers' Championship in Season Challenge.
Win a race with all driver assists disabled.
Finish a race using a custom car setup.
Beat your first rival in Season Challenge.
Pass all of your objectives over a race weekend in Season Challenge.
Complete your first Season Challenge race.
Win your first race in Season Challenge.
Set a valid lap time in One-Shot Qualifying.
Take pole position in One-Shot Qualifying.
Set a clean lap time in Time Trial.
Be recommended for the hardest preset Difficulty in the Evaluation Test.
Use a Flashback.
Complete the Evaluation Test.
Complete 50 online races.