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