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