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