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