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