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