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