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