No missable achievements (plus 46 unknown)
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Apply 20 weapon mods
Find the hidden cache of extraterrestrial cartridges
Witness Angela kill Samuel Haas
Restore Rodia's mayor to office
Survive a combat encounter with only 1 party member standing
Make peace between the Atchisons and Topekans
Find The Fin's poster
Disarm the nuke
Save Binh from Tinker
Help Mr. Manners eliminate Tori Robbinson's plot
Intervene in a God's Militia execution
Get 3 goats following the party at once
Send the nuke to the Mad Monks
Give the Night Terror 20 pieces of candy
Get an STD
Make peace between Hollywood and the Bastion
Scotchmo steals 5 bottles of Snake Squeezins from you
Learn Combat Shooting
Send the nuke to the DBM
Kill all of the God's Militia leadership
Outfit 3 rangers in the amigos hat, jacket, and pants
Put the Robbinsons in power in Angel Oracle
Use Animal Whisperer to charm 20 animals
Repair 10 locks or safes using Mechanical Repair
Find all of the world map caches
Steal the Golden Spike from Kekkahbah's fortress without being detected
Help Retribution Jones take over Hollywood
Tip 5 cows
Have a party member turn into a pod person
Get Ranger Team Delta sent after you
Find all hidden shrines in the game
Help Chris Van Graas Jr. become mayor of Rodia
Dig up all the holes at Redondo Beach
Complete the game with a Ranger dressed in a gorilla costume
Read every lore entry in the game