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