Here is the full list of all 50 Truck Racer achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Win a bronze medal in every event.
Win a silver medal in every event.
Win a gold medal in every event.
Win a platinum medal in every event.
Finish the event "Legendary Tournament"
Post a time in all the Time Attack races.
Earn 1,000,000 credits.
Finish the event "All-Star Tour"
Finish an Expert race in a truck that has all of its original parts.
Finish the event "Team 41 Cup"
Finish the event "Royal KT"
Earn 500,000 credits.
Finish the event "Raion World Cup"
Restart a race you haven't finished on the podium for yet.
Finish the event "Eight"
Drive all of the trucks in the championship.
Crash 15 of your opponents' trucks.
Take part in 25 online races.
Finish the event "Weston Trophy"
Complete a race with a truck which has no more original parts.
Finish the event "Rocky Competition"
Crash 5 of your opponents' trucks.
Come first in 5 online races in a row.
Take part in 10 online races.
Have an engine breakdown in the last 50 meters of the race.
Have an engine failure during a race.
Take part in 5 online races.
Come 1st in an online race.
Engine class A purchased.
Finish the event "The Rampage"
Buy all of the trucks.
Finish the event "Truck-Cross Cup"
Mount the podium 15 times in the championship.
Finish the event "Asphalt King"
Create a paint set.
Engine class B purchased.
Engine class C purchased.
Finish the event "On Dirt"
Fill the Nitro bar and then use it all in one go without hitting anything.
Engine class D purchased.
Race in a truck you bought.
Win a race starting from the back of the grid.
Beat your own record in an event race.
Finish the event "Engine On!"
Make your 1st purchase.
Come in 1st place in an event race.
Do a complete lap without touching the decor.
Limp across the finish line with every part of the truck's bodywork damaged.
Drift for over 5 seconds.
Finish the training.