Here is the full list of all 50 Nihilist Simulator achievements.
90 graves on map.
80 graves on map.
70 graves on map.
Die 30 times.
Die 20 times.
Smash Yan Yuan's Grave!
Smash Ludwig Wittgenstein's Grave!
Smash Nelson Goodman's Grave!
50 graves on map.
60 graves on map.
Smash Zeno's Grave!
Smash Gottlob Frege's Grave!
Smash J. J. Rousseau's Grave!
Smash Plato's Grave!
Smash William of Ockham's Grave!
Smash Immanuel Kant's Grave!
Smash Niccolo Machiavelli's Grave!
Smash Thales' Grave!
Smash Allama Iqbal's Grave!
40 graves on map.
Smash Arthur Schopenhauer's Grave!
Smash Gottfried Leibniz's Greve!
Smash G. W. F. Hegel's Greve!
Smash William James' Grave!
Smash Xenophon's Grave!
Smash Albert Camus' Grave!
Smash George Berkeley's Grave!
Smash Miguel de Unamuno's Grave!
30 graves on map.
20 graves on map.
10 graves on map.
5 graves on map.
Smash Epicurus' Grave!
Smash Friedrich Nietzsche's Grave!
Smash W. O. Quine's Grave!
Smash Voltaire's Grave!
Smash Aristotle's Grave!
Smash René Descartes' Grave!
Die 10 times.
Hang yourself 5 times in one life.
Get hit by anvil in the head 5 times in one life.
Get struck by electricity power 5 times in one life.
Get stunned by bees 5 times in one life.
Get stabbed by spikes 5 times in one life.
Drink poison 5 times in one life.
Burn yourself 5 times in one life (oil).
Get squished by piano.
Get cut by saw 5 times in one life.
Burn yourself 5 times in one life (campfire).
Get squished by cripple.