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