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