List of Roman Ribaric Games (2) Serious Sam II (2005) Developed by Croteam for WIN, XB Serious Sam II is a shooter game developed by Croteam and released on Microsoft Windows, Xbox. 3.75 5 Serious Sam: The First Encounter (2001) Developed by Croteam for WIN Serious Sam: The First Encounter is a shooter game developed by Croteam and released on Microsoft Windows. 3.92 5 Roman Ribaric Games Overview Updates
