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