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