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