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