What is "extinctionism"

n. 1 The belief that only the extinction of humanity will lead to the recovery of the Earth's environment 2 (context video games English) The additional challenge, in playing a roguelike game, of killing all creatures to extinction.

Extenctionism and extinctionist may refer to:

• Various theories about extinction of species, human race, social classes, etc.
• Extinctionism (religious concept), about extinction of sinners in the afterlife
• Extinctionists, a fictional radical group in Artemis Fowl (series), book 6