A direct continuation of the first game, Sam crashes into Central America and must find a backup Sirian starship across different time periods.

Supports up to 16 players in online cooperative campaign mode.

Adds power-ups like Serious Speed , Serious Damage , and Invulnerability . It also features more dynamic level elements such as bouncy floors and environmental traps.

and The Second Encounter are high-definition remasters of the classic arcade-style first-person shooters originally released in 2001 and 2002. Developed by Croteam , these versions utilize Serious Engine 3 to modernize the visuals while preserving the frantic, "run-and-gun" gameplay that defines the series. Serious Sam HD: The First Encounter

This title remakes the original game where protagonist Sam "Serious" Stone is sent back to ancient Egypt to stop the alien overlord Mental.

Moves beyond Egypt to include South America (Mayan), ancient Mesopotamia (Babylon), and medieval Europe.