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