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