Here is the full list of all 47 NieR:Automata achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
80% of all archives found.
Achieve 9S's ending.
View the final credits.
The place of memories has been visited.
All Pod programs obtained.
Achieve A2's ending.
Watch the final moments of Devola and Popola.
Stop all resource recovery units.
Grant Pascal's final request.
80% of all unit data unlocked.
80% of all quests completed.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
20 different kinds of fish caught.
Any weapon upgraded to the highest level.
Materials gathered at a hidden harvest point 10 times.
Have your body collected.
10 friendly machine lifeforms destroyed.
1 hour played with 9S in a certain state.
Arrive at the city ruins.
Stare into space from the Bunker.
Play your first hacking game.
Achieve ending A.
Complete the abandoned factory.
80% of all plug-in chips collected.
Complete the copied city.
Complete the flooded city.
255 enemies destroyed using a flight unit.
Emil's shop used for the first time.
Complete the forest castle.
All Pods found.
Complete the alien ship.
Any animal ridden for 5 kilometers.
2B's secret discovered 10 times.
At least 100,000 G in possession.
Have 100 bodies collected.
Complete the amusement park ruins.
Complete the desert area.
Complete your first quest.
All weapons upgraded to the highest level.
All Pods upgraded to the highest level.
100 machine lifeforms destroyed by hacking.
50 machine lifeforms destroyed by remote control.
50 machine lifeforms destroyed with berserk mode.
Emil destroyed.
All endings achieved.