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