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