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