Here is the full list of all 46 Wasteland 2: Director's Cut achievements. It takes around 100-120 hours to unlock all of the achievements on Windows.
Complete the game with a Ranger dressed in a gorilla costume
Find The Fin's poster
Get Ranger Team Delta sent after you
Accidentally kill a party member with friendly fire
Complete Matthias' quest to kill in LA
Kill all of the God's Militia leadership
Find all of the world map caches
Find all hidden shrines in the game
Read every lore entry in the game
Scotchmo steals 5 bottles of Snake Squeezins from you
Survive a combat encounter with only 1 party member standing
Dig up all the holes at Redondo Beach
Send the nuke to the Mad Monks
Tip 5 cows
Help Chris Van Graas Jr. become mayor of Rodia
Have a party member turn into a pod person
Give the Night Terror 20 pieces of candy
Use the code from Finster's head to get into Darwin's underground complex
Outfit 3 rangers in the amigos hat, jacket, and pants
Get an STD
Send the nuke to the DBM
Help Retribution Jones take over Hollywood
Repair 10 locks or safes using Mechanical Repair
Steal the Golden Spike from Kekkahbah's fortress without being detected
Allow Vargas to detonate the nuke
Use Animal Whisperer to charm 20 animals
Find the hidden cache of extraterrestrial cartridges
Make peace between Hollywood and the Bastion
Return to Arizona
You foolishly pushed the button in the Hollywood Sewers
Learn Combat Shooting
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
Intervene in a God's Militia execution
Apply 20 weapon mods
Go to Los Angeles
Save Binh from Tinker
Disarm the nuke
Find a Wasteland 1 disk
Meet Ralphy's dad with Ralphy in tow
Make peace between the Atchisons and Topekans
Get 3 goats following the party at once
Witness Angela kill Samuel Haas
Set off the nuke in Ranger Citadel before going to LA