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