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