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