Croteam, the Croatian game development company behind Serious Sam HD: The First Encounter, was founded.
The original Serious Sam: The First Encounter video game was released, laying the foundation for the HD remake.
Croteam officially announced the development of Serious Sam HD: The First Encounter, a high definition remake of the original.
Serious Sam HD: The First Encounter was officially released, featuring updated graphics and improved gameplay from the original.
The ancient evil entity Mental arrives on Earth, beginning his conquest and unleashing hordes of alien creatures to invade the planet.
Sam 'Serious' Stone is awakened to stop Mental's invasion and save humanity from extinction.
Sam battles through waves of alien enemies and monsters across the Egyptian desert to weaken Mental's forces.
Sam explores ancient Egyptian temples filled with traps and alien creatures, seeking the path to Mental's stronghold.
Sam defeats the Beheaded Kamikaze enemies, stopping their suicidal attacks on Earth's defenders.
Sam fights Mental's elite forces and confronts Mental himself inside the pyramid to end the invasion threat.
With Mental defeated, Earth is saved from the alien invasion, and humanity begins to rebuild.
