Here is the full list of all 20 Expeditions: A MudRunner Game achievements.
Complete all expeditions in Carpathians
Complete all expeditions in the game
Fix 10000 points worth of damage in total
Drive a total of 200 km
Fix 2000 points worth of damage in total
Pick up 100 removable anchors
Complete all expeditions in Arizona
Purchase 20 vehicles
Purchase 10 vehicles
Earn 1 500 000 credits in total
Drive a total of 100 km
Earn 500 000 credits in total
Purchase your first vehicle
Recover your vehicle to the base over 100 times
Recover your vehicle to the base over 5 times
Complete all expeditions in Little Colorado
Find your first upgrade stash
Install your first car upgrade
Complete your first expedition
Complete any expedition, earning at least 1 bonus reward