Here is the full list of all 46 Wasteland 2 achievements.
Make peace between Hollywood and the Bastion
Complete the game with a Ranger dressed in a gorilla costume
Find all hidden shrines in the game
Read every lore entry in the game
Allow Vargas to detonate the nuke
Help Retribution Jones take over Hollywood
Kill all of the God's Militia leadership
Dig up all the holes at Redondo Beach
Learn Combat Shooting
Help Chris Van Graas Jr. become mayor of Rodia
Put the Robbinsons in power in Angel Oracle
Complete Matthias' quest to kill in LA
Find all of the world map caches
Intervene in a God's Militia execution
Get Ranger Team Delta sent after you
Send the nuke to the Mad Monks
Disarm the nuke
Survive a combat encounter with only 1 party member standing
Give the Night Terror 20 pieces of candy
Meet Ralphy's dad with Ralphy in tow
Outfit 3 rangers in the amigos hat, jacket, and pants
Get an STD
Steal the Golden Spike from Kekkahbah's fortress without being detected
Use the code from Finster's head to get into Darwin's underground complex
Use Animal Whisperer to charm 20 animals
Apply 20 weapon mods
Get 3 goats following the party at once
Set off the nuke in Ranger Citadel before going to LA
Have a party member turn into a pod person
Tip 5 cows
Repair 10 locks or safes using Mechanical Repair
Witness Angela kill Samuel Haas
Find The Fin's poster
Scotchmo steals 5 bottles of Snake Squeezins from you
Accidentally kill a party member with friendly fire
Make peace between the Atchisons and Topekans
Send the nuke to the DBM
Save Binh from Tinker
Restore Rodia's mayor to office
Help Mr. Manners eliminate Tori Robbinson's plot
Convince the Mannerites to stop eating people
Find a Wasteland 1 disk
Find the hidden cache of extraterrestrial cartridges
Go to Los Angeles
Return to Arizona
You foolishly pushed the button in the Hollywood Sewers