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