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