All games in release order
oldest first1.
Serious Sam: The First Encounter
March 21, 2001 · Croteam
83
2.
Serious Sam: The Second Encounter
January 24, 2002 · Croteam
91
3.
Serious Sam: Next Encounter
April 12, 2004
60
4.
Serious Sam II
October 11, 2005 · Croteam
78
5.
Serious Sam Double D
August 3, 2011 · Croteam
70
6.
Serious Sam: The Random Encounter
October 24, 2011 · Croteam
72
7.
Serious Sam 3: BFE
November 22, 2011 · Croteam
71
8.
Serious Sam VR: The Last Hope
October 17, 2016 · Croteam
82
9.
Serious Sam 4
September 25, 2020 · Croteam
72
10.
Serious Sam: Shatterverse
August 31, 2026 · Behaviour Interactive
52