Here is the full list of all 39 Crash Time 4: The Syndicate (GFWL) achievements worth 1,000 gamerscore.
Driven a race on every track in the game.
Won 50 single races.
Driven every car in the game at least once.
Unlocked every car.
30 Laps on off-road track "4x4 Club Circuit (R)".
Driven 1000 km in the game.
100 Cars exploded.
Driven 280 km/h for 15 seconds.
30 Laps on racing track "Sprit-Raceway (R)".
100% in the Single Player Game Completion stat. achieved.
Unlocked every track.
Finish your career successfully.
Trashed 1000 Objects.
Driven 200 m backwards.
Won 10 single races.
Race without damage.
Installed every single camera possible.
Caused 1 million damage in one race.
Activated every single informant possible.
Destroyed 10 enemies.
Level 4 finished.
Collided 100 times with traffic.
Level 3 finished.
Level 2 finished.
Lap without damage.
Level 1 finished.
Won 20 ranked online checkpoint races.
Lost 2 wheels or more at once.
Won 5 ranked online checkpoint races.
Jumped 100 m.
Won 20 ranked online deathmatches.
Won 5 ranked online deathmatches.
Played a deathmatch to the end without dying.
Won a deathmatch without dying.
Fell 30 meters.
Won 20 ranked online races.
Won 5 ranked online races.
Won an online event (ranked or standard) in any mode.
Totaled your car.