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