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