Serious Sam: Next Encounter was released for consoles, expanding the series to other platforms.
This prequel to the original games was released, featuring modern graphics and gameplay improvements.
The latest mainline installment, Serious Sam 4, was released, offering large-scale battles and updated graphics.
The ancient Sirian civilization reaches the peak of its technological and military power, forming a vast empire that spans multiple planets.
The evil alien overlord Mental begins assembling his monstrous army to conquer and destroy civilizations across the galaxy.
Mental invades the Sirian homeworld, Sirus II, and destroys it, scattering the survivors.
Sam 'Serious' Stone undergoes military training and becomes a top-level soldier known for his combat skills and humor.
Mental's army invades ancient Earth, particularly ancient sites such as Egypt, prompting local human resistance.
Sam Stone arrives in ancient Egypt to battle Mental's invading forces, beginning the primary campaign of Serious Sam: The First Encounter.
Sam defeats major commanders of Mental's army, including Ugh-Zan the Skull Crusher, weakening Mental's position on Earth.
Sam confronts and defeats the final boss, a giant using the power of the Great Pyramid, effectively stopping Mental's invasion on Earth.
