10. Doom
As an unnamed space marine taking on hordes of nightmarish creatures, Doom was the first person shooter that countless others would ape for years to come. It brought forth a level of violence hereto unseen in gaming, not to mention the amount of secrets and weapons. Doom took the FPS genre into a world of splendid ultraviolence. And the world was all the better for it, despite controversies that dogged the game for years to come.















