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