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