Here is the full list of all 46 Wasteland 2 achievements.
Meet Ralphy's dad with Ralphy in tow
Complete Matthias' quest to kill in LA
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
Scotchmo steals 5 bottles of Snake Squeezins from you
Get Ranger Team Delta sent after you
Allow Vargas to detonate the nuke
Learn Combat Shooting
Complete the game with a Ranger dressed in a gorilla costume
Return to Arizona
Find all of the world map caches
Find all hidden shrines in the game
Make peace between Hollywood and the Bastion
You foolishly pushed the button in the Hollywood Sewers
Kill all of the God's Militia leadership
Help Retribution Jones take over Hollywood
Put the Robbinsons in power in Angel Oracle
Help Mr. Manners eliminate Tori Robbinson's plot
Get an STD
Convince the Mannerites to stop eating people
Restore Rodia's mayor to office
Help Chris Van Graas Jr. become mayor of Rodia
Intervene in a God's Militia execution
Repair 10 locks or safes using Mechanical Repair
Apply 20 weapon mods
Give the Night Terror 20 pieces of candy
Go to Los Angeles
Find The Fin's poster
Outfit 3 rangers in the amigos hat, jacket, and pants
Accidentally kill a party member with friendly fire
Save Binh from Tinker
Tip 5 cows
Get 3 goats following the party at once
Send the nuke to the Mad Monks
Witness Angela kill Samuel Haas
Send the nuke to the DBM
Disarm the nuke
Set off the nuke in Ranger Citadel before going to LA
Survive a combat encounter with only 1 party member standing
Make peace between the Atchisons and Topekans
Find a Wasteland 1 disk
Find the hidden cache of extraterrestrial cartridges
Have a party member turn into a pod person
Dig up all the holes at Redondo Beach
Use Animal Whisperer to charm 20 animals
Read every lore entry in the game