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.
All Pods found.
All endings achieved.
View the final credits.
All weapons upgraded to the highest level.
The place of memories has been visited.
Emil destroyed.
Any animal ridden for 5 kilometers.
50 machine lifeforms destroyed by remote control.
Materials gathered at a hidden harvest point 10 times.
80% of all quests completed.
80% of all plug-in chips collected.
80% of all unit data unlocked.
Any weapon upgraded to the highest level.
At least 100,000 G in possession.
10 friendly machine lifeforms destroyed.
Achieve 9S's ending.
Achieve A2's ending.
Watch the final moments of Devola and Popola.
Stop all resource recovery units.
Grant Pascal's final request.
50 machine lifeforms destroyed with berserk mode.
100 machine lifeforms destroyed by hacking.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
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.
Have your body collected.
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.
Have 100 bodies collected.
80% of all archives found.
All Pod programs obtained.
All Pods upgraded to the highest level.
20 different kinds of fish caught.
2B's secret discovered 10 times.
1 hour played with 9S in a certain state.