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