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