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