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