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