Here is the full list of all 23 Desert Child achievements.
Phone mom for a loan
Start a new game plus
Beat the game
Never buy cigarettes.
Have over $9000
Have a bad trip. Race on 4 stacks of strange beans.
Eat all the bean types
Equip more than 30 power cells to a bike
Collect all the secret tapes
Complete your record collection
Take a pizza delivery job.
Successfully rob a bike on the street
Have 69% hunger.
Eat 5 bean types.
Attempt to race with over 75% damage and hunger
Buy every newspaper
Eat a snack pack without throwing up
Buy fish from the fishermen
Destroy two enemies at the same time
Achieve max notoriety, the rank of Pablo Escobar.
Fend off the police without being shot.
Survive a full month on Mars.
Chill for over an hour