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