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