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