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