Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

The first stage of the podium (5 points): Win your first race.
The roar of the Jaguar (5 points): Win a race using one of the Jaguars of the Ferlito Motors Team.
Girl Power (5 points): Win a race using Maria De Villota.
Race of Good Hope (5 points): Win a race on Kyalami with Francesco Ascani.
It's raining cats and...Jaguars? (5 points): Win a race on Magione with wet weather using one of the Ferlito Motors Jaguars.
The sunny side of the street (5 points): Win a race on Valencia on sunny weather using the SSantucci Motorsport Mustard.
The rainy side of the street (5 points): Win a race with wet weather in any game mode.
The driver more than the car (25 points): Win at least a race with every team in the game.
I like simulation (10 points): Win a race in simulation mode at Legend difficulty level.
Komodo Dragon (10 points): Win a race in Varano at Hard or Legend difficulty level.
Speed Temple (10 points): Win a race on Monza at Legend difficulty level.
All roads lead to Rome (5 points): Win a race on Vallelunga Track.
Unrivaled (10 points): Win a race with a 15 seconds gap or more from the second place.
Smells like burnt rubber (10 points): Win a race performing at least 10 seconds of powerskids.
Superstars Veteran (20 points): Win at least 10 races.
The Mascot (10 points): Unlock Secret Trophie.
Weekend Dominator (5 points): Win a race in Weekend Mode.
Superstars Record Man (30 points): Win at least 20 races.
The first of a long series (5 points): Complete one of the challenges of the Superstars Licenses Mode.
Slalom Champion (5 points): Pass the "Chicane" challenge in the Superstars Licenses Mode.
A new danger on the track (25 points): Complete all the Special Trials challenges.
The Final Countdown (25 points): Complete all the Countdown challenges.
Owned! (25 points): Complete all the Duels challenges.
Not a comedy (25 points): Complete all the Race Scenarios challenges.
Thanks from the Designer (50 points): Complete all the challenges at Platinum level.
Mr. Pole Position (25 points): Achieve at least 8 pole positions in the same championship.
Mister Tester (5 points): Complete 15 laps in Training Mode with the same driver.
The prince of chronometer (10 points): Beat at least 4 different track records in Training Mode with the same driver.
The king of hourglass (15 points): Beat at least 8 different track records in Training Mode with the same driver.
International Series (15 points): Win the race of Vallelunga, Mugello, Monza and Valencia during the same championship.
Brand New Champion (50 points): Win your first Superstars Championship.
Audi famam illius (50 points): Win a Championship with Gianni Morbidelli and his Audi car.
The first will be the latest (50 points): Win a Championship with Francesco Ascani, the first Superstars Champion.
BMWinner (50 points): Win a Championship with CAAL Racing team at least at Medium difficulty.
Super G (60 points): Win a Championship with Kristian Ghedina at least at Hard difficulty level.
The best around (70 points): Win a Championship at Legend difficulty level.
On-Line chequered flag (10 points): Win an on-line race.
On-Line Champion (20 points): Win 5 on-line races.
On-Line Legend (30 points): Win 10 on-line races.
Car addicted (15 points): Drive for at least 100 Km in Single Player mode with the same team.
I'm in love with my car (25 points): Drive for at least 200 Km in Single Player mode with the same team.
Pull me out if you can (35 points): Drive for at least 400 Km in Single Player mode with the same team.
A present for you! (5 points): Unlock a prize.
Ave Cesari (25 points): Win 5 races on Vallelunga with Mauro Cesari.
Flying Carpet (5 points): Unlock the car carpet in the pit.
No more space on the shelf (25 points): Unlock all the Championship and Track Cups.
Superstars for Physics (5 points): Enter at least once in the Car Settings page.
Gear Power (10 points): Win a race using manual transmission.

Additionally, there are two secret achievements:

Secret achievement (50 points): Unknown.
Secret achievement (0 points): Unknown.