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