The Plutonia Experiment (Go 2 It)

The hardest level of any commercially-released Doom title lives up to the lofty expectations such a designation implies. For starters, Arch-viles, who can resurrect dead enemies and have one of the most evil attacks in the game, are represented more in this one level than they were in the entirety of “Doom II”. The upside of facing such a hard challenge comes with the accomplishment of beating it, of figuring out how to take down several hundred enemies while maintaining enough ammo for the next hundred you’ll face. This might be the greatest realization of Doom’s concept, of conquering Hell.

10