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.
Complete your record collection
Have over $9000
Eat all the bean types
Collect all the secret tapes
Equip more than 30 power cells to a bike
Have a bad trip. Race on 4 stacks of strange beans.
Buy fish from the fishermen
Buy every newspaper
Eat 5 bean types.
Chill for over an hour
Attempt to race with over 75% damage and hunger
Eat a snack pack without throwing up
Successfully rob a bike on the street
Take a pizza delivery job.
Have 69% hunger.
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.