| Serious Savings | first-person shooter, action-adventure game | Timelock Studio, Croteam | Microsoft Windows |
| Serious Sam 3: BFE Gold Edition | first-person shooter, action-adventure game | Croteam | Microsoft Windows, macOS, Linux |
| Serious Sam VR: The First Encounter | first-person shooter, action-adventure game | Croteam VR, Croteam | Microsoft Windows, macOS, Linux |
| Serious Sam HD Gold Collection | first-person shooter, action-adventure game | Croteam, Alligator Pit | Microsoft Windows |
| Serious Sam VR Bundle | first-person shooter, action-adventure game | Croteam VR, Croteam | Microsoft Windows, Linux |
| Serious Sam Classics: Revolution | first-person shooter | Croteam, Alligator Pit | Microsoft Windows |
| Serious Sam HD: The Second Encounter - Legend of the Beast | — | — | Microsoft Windows |
| Serious Sam 3: BFE | first-person shooter | Croteam | PlayStation 3, Microsoft Windows, macOS, Linux |
| Serious Sam HD: The Second Encounter - Serious 8 DLC | — | Croteam | Microsoft Windows |
| Serious Sam: Gold Edition | first-person shooter | Croteam, Alligator Pit | Microsoft Windows, Linux |