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