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