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