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