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