Complex sentence: Philipp Budeikin, a former psychology student who was expelled from his university, claimed that he invented the game, stating his purpose was to'cleanse' society by pushing to suicide those he deemed as having no value.
Split into simpler sentences: Philipp Budeikin, a former psychology student who was expelled from his university, claimed that he invented the game. Budeikin stated that his purpose was to'cleanse' society by pushing to suicide those he deemed as having no value.