Full list of all 22 Trailmakers achievements.
The base game contains 18 achievements, and there is 1 DLC pack containing 4 achievements.
Download and load in a vehicle from the Workshop
Find 15 Power Cores in Stranded in Space
Drive over 8 chickens on Sandbox Island in one session
Pick up a piece of Salvage with the magnet
Rebuild your spaceship
Enter the volcano
Get gold on Downhill Rush
Get gold on Sunny Slide
Get gold on Cliff Land
Land on all the floating islands above Race Island in one session
Crash into the blimp on Race Island
Land on the lighthouse on Race Island
Bump into the whales
Upload a vehicle to the Workshop
Break the sound barrier
Fly through all the rings of fire in one session
Complete all the ball puzzles in the Sandbox in one session
Stay airborne in a zero Power Core vehicle for 60 seconds
Reach the top of Danger Island
Hug the Tree on the Northeastern Island in Sandbox
Visit the monument on Sandbox Island
Shoot hoops on Danger Island