Full list of all 80 Wolfenstein II: The New Colossus achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 30 achievements.
Recruit Grace's group
Upgrade a weapon
Achieve the highest score in the Shooting Range
Stop the Nazi signal from Section F
Use the power armor
Make the choice
Find Area 52
Kill dad
Get a new body
Recruit Horton's group
Travel to outer space
Capture the Ausmerzer
Find at least one of each collectible item
Find all of Max's toys
Find all records
Find all gold
Collect all Übercommander death cards
Find all starcards
Found all concept art
Fully upgrade a weapon
Fully upgrade all weapons
Beat the game
Beat the game on "Bring 'em on!" difficulty or higher
Beat the game on "Do or die!" difficulty or higher
Beat the game on "Call me Terror-Billy!" difficulty or higher
Beat the game on "I am death incarnate!" difficulty or higher
Beat the game on "Mein leben" difficulty
Max a perk
Max all Perks
Ramshackles tackle a charging Supersoldat
Perform a Constrictor Harness takedown
Perform a Battle Walker takedown
Kill Hitler during the Aerostat Audition
Stealth kill 10 enemies in a row
Collect 1000 helmets
Beat the Panzerhund ride without killing anyone on "Bring 'em On!" difficulty or higher
Visit every District
Complete the Killboard
Acquire all Contraptions and Contraption upgrades
Upgrade a Contraption
Achieve the second best time in the Killhouse
Perform a takedown while in the wheelchair
Throw a hatchet and kill an enemy from 30m
Visit a District
Decipher an Übercommander's location using the Enigma Machine
Play Wolfstone 3D
Destroy a Zerstörer with an Übergewehr
Finish a District without triggering an alarm
Wait for the game to resume after the credits
Complete all side missions
Escape from Research Station Omega
Elude your pursuers
Enact Revenge on Übercommander Metze
Find all readables in “The Adventures of Gunslinger Joe”
Find all gold in “The Adventures of Gunslinger Joe”
Beat the “The Adventures of Gunslinger Joe” on “I am Death Incarnate” difficulty or higher
Beat “The Adventures of Gunslinger Joe” on "Mein leben” difficulty
Beat the Station Omega challenge on “I am Death Incarnate” difficulty
Beat the Nightmare challenge on “I am Death Incarnate” difficulty
Beat the Venus challenge on “I am Death Incarnate” difficulty
Eliminate Übercommander Hans
Cancel Chuck Lorentz
Kill General Dunkel
Find all readables in “The Diaries of Agent Silent Death”
Find all gold in “The Diaries of Agent Silent Death”
Beat “The Diaries of Agent Silent Death” on "I am Death Incarnate” difficulty or higher
Beat “The Diaries of Agent Silent Death” on "Mein leben” difficulty
Beat the Sacramento challenge on “I am Death Incarnate” difficulty
Beat the Hollywood challenge on “I am Death Incarnate” difficulty
Beat The Moon challenge on “I am Death Incarnate” difficulty
Return to America
Destroy the cannons of Kodiak Island
Stop the Sun Gun
Find all readables in "The Deeds of Captain Wilkins"
Find all gold in "The Deeds of Captain Wilkins"
Beat "The Deeds of Captain Wilkins" on "I am Death Incarnate" difficulty or higher
Beat "The Deeds of Captain Wilkins" on "Mein leben" difficulty
Beat the Anchorage challenge on "I am Death Incarnate" difficulty
Beat the Kodiak Islands challenge on "I am Death Incarnate" difficulty
Beat the Submerged challenge on "I am Death Incarnate" difficulty