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
A direct continuation of the first game, Sam crashes into Central America and must find a backup Sirian starship across different time periods.
Adds power-ups like Serious Speed , Serious Damage , and Invulnerability . It also features more dynamic level elements such as bouncy floors and environmental traps.