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