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