Steam Community :: Serious Sam HD: The Second Encounter

Ultimate Enemy Pack - Part 1

Models, Enemies, Additions, Resource Pack, Graphics, Sounds

Serious Sam 3 Weapons Pack

Single Player, Models, Versus, Modifications, Graphics, Sounds, Cooperative, Survival, Weapons, Miscellaneous, CTF, Language

Bastion of Darkness

Single Player, Maps, Versus, Cooperative, Custom Campaign

Serious HD Mod

Single Player, Modifications, Enemies, Sounds, Weapons

Ultimate Enemy Pack - Part 2

Enemies, Additions, Resource Pack, Graphics, Sounds

SPAS-12 Pump Shotgun Replacement (by JasonBob45)

Modifications, Graphics, Weapons

Serious Sam HD: BFE

Single Player, Models, Modifications, Enemies, Graphics, Sounds, Cooperative, Weapons, Miscellaneous, Total Conversion, Language

SF:L HD Character Pack 2

Additions, Sounds, Player Models