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