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