Here is the full list of all 13 Z Runaway achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Collect $1000 in a single try
Collect $3000 in a single try
Collect $5000 in a single try
Crash before the first turn
Have not collected any bills for the first 30 seconds
Collect $1000 without collecting large bundles of cash
Buy Ace van in the game store
Buy Mystery van in the game store
Buy Orange van in the game store
Buy Hotdog van in the game store
Buy Flamer van in the game store
Buy Turtle van in the game store
Buy all vans in the game store