The core loop remains focused on frantic, arcade-style shooting. You play as Sam "Serious" Stone, tasked with collecting five pieces of an ancient medallion across various planets to defeat the ultimate antagonist, Mental.

A significant 2021 update for the Steam version added sprinting and the ability to dual-wield any two weapons. Go to product viewer dialog for this item. Serious Sam II

The game features 42 levels across seven different worlds, throwing up to 100 enemies at you simultaneously.