Here is the full list of all 25 Radical Relocation achievements.
Complete the arctic region
Complete the game
Complete the arctic region with 3 stars in every level
Complete all levels in a region without upgrades
Unlock all helicopters
Smash 50 Plates
Knock over 100 garbage bins
Crash into an ambulance
Complete the island region with 3 stars in every level
Unlock all vehicles
Unlock all boats
Complete the island region
Get a basketball through the basketball hoop
Complete the suburb region with 3 stars in every level
Complete the suburb region
Smash 20 TVs
Unlock all cars
Crash 50 times in one level
Smash 50 Vases
Successfully complete a loop-the-loop
Complete 15 levels without upgrades
Complete 5 levels without upgrades
Complete the tutorial levels
Unlock your first vehicle
Unlock 3 vehicles