Here is the full list of all 22 Car Demolition Clicker achievements.
Obtain all other achievements (without post-release ones)
Buy final weapon
Buy final drone
Beat Darkside Truck
Collect 1000 faction points
Buy 4-gun drone
Hold 10 milion $
Buy a 3-gun drone
Buy a 2-gun drone
Collect 50 faction points for "Observers" faction
Unlock Observers faction
Collect 50 faction points for "Lab Rats" faction
Visit proving grounds stage
Visit gas station stage
Use reset option
Collect 50 faction points for "The Mob" faction
Visit ice cave stage
Use a perk
Visit construction site stage
Fill all drone slots
Destroy your first car
Destroy a neon sign