Here is the full list of all 45 F1 2015 achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox One.
You have set 50 clean laps at the Red Bull Ring in a Red Bull in Time Trial.
You have spent at least 600 minutes out on track.
You have spent 180 minutes in total track time at Silverstone.
You have completed 200 laps in Quick Race mode.
You were out in front for 150 laps in Quick Race mode.
You have completed 50 clean laps in Quick Race mode.
You obtained 10 pole positions in Quick Race mode.
You have won 3 races at Monaco in Quick Race mode.
You have scored 75 Constructors' Championship points in Quick Race mode.
You have set 50 clean laps in a Williams on any track in Time Trial.
You have set 100 clean laps in Time Trial on any combination of tracks.
You have set 30 clean laps at Singapore in Time Trial.
You have driven 20 laps on a track in each continent in any game mode.
You have set a clean lap time for all circuits in Time Trial.
You have set 50 clean laps in a Sauber on any track in Time Trial.
You have set clean lap times at 5 different circuits in Time Trial in the dry.
You have set clean lap times at 5 different circuits in Time Trial in the wet.
You have set a clean lap at a Time Trial Event.
You have gained the most poles within a Championship Season.
You have won the Drivers' Championship in Championship Season on any difficulty.
You have won the Constructors' Championship in Championship Season on any difficulty.
You have loaded a Mid-Session Save.
You got 14 wins in a single Championship Season to beat the previous record of 13.
You've won the race from 22nd place on the grid in the 2014 Championship Season.
You won a race on the final lap, coming from behind.
You got a pole, win, fastest lap and led every lap in a Championship Season weekend.
You have completed a Championship Season race without colliding with another car or object.
You have met or exceeded a single race objective given to you from the team in Championship Season.
You have earned a podium in Championship Season.
You have taken pole position in Championship Season.
You finished ahead of your team mate in a practice session in Championship Season.
Drive a total of 78 laps at Monaco in Pro Season mode.
Complete a race in Pro Season mode.
Place in the top 16 in qualifying in Pro Season mode 5 times.
Reach 100 points in an online championship.
Win an online race.
Complete an online race in the Beginner Hopper.
Complete an online race in the Standard Hopper.
Complete an online race in the Hardcore Hopper.
Complete 5 online races.
Complete 25 online races.
Complete 50 online races.
Set 50 clean laps at Sochi in Time Trial in a Marussia.
Win a race in Quick Race, Championship Season and Multiplayer mode.
Drive 500 laps on European tracks in any game mode.