Users who own this game also own:

Serious Sam 3: BFE
Serious Sam 3: BFE
Serious Sam HD: The First Encounter
Serious Sam HD: The First Encounter
Serious Sam II
Serious Sam II
Serious Sam HD: The Second Encounter
Serious Sam HD: The Second Encounter
Left 4 Dead 2
Left 4 Dead 2

Users who love this game also love:

Sonic the Hedgehog
Sonic the Hedgehog
Far Cry
Far Cry
Half-Life 2
Half-Life 2
Killzone 2
Killzone 2
Halo: Reach
Halo: Reach