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