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