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