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