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