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