"Updated collection (2021):
https://steamcommunity.com/sharedfiles/filedetails/?id=2685815052

Serious Sam:

The First Encounter (USA Big Box);
The First Encounter (USA Jevel);
The First Encounter (Demo);
The First Encounter (Special Edition);
The First Encounter (Russian Jevel);
Serious Sam Palm OS;
Gold Edition (Russian Jevel);
The First Encounter HD (Russian Jevel);
The Second Encounter HD (Russian Jevel);
The Second Encounter (Russian Jevel);
The Second Encounter (USA Big Box);
The Second Encounter (Europe DVD);
Serious Sam Advance;
Serious Sam 3 (Russian Jevel);
Serious Sam II (Russian Jevel);
Serious Sam II (USA Big Box);
Serious Sam (Xbox);
Serious Sam II (Xbox);
Next Encounter (PS2);
Next Encounter (Gamecube);
Serious Sam HD (Xbox 360);
Serious Sam Collection (Xbox 360);
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Serious Engine games:

Nitro Family (Russian Jevel);
Nitro Family (Big Box);
Alpha Black Zero: Intrepid Protocol (Russian Jevel);
Carnivores Cityscape (Big Box);
Euro Cops (Russian Jevel);
Deer Hunter 2003 & Bird Hunter 2003 (Big Box);

The Talos Principle (PS4);
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Pirated editions and games about Sam known in Russia:

Serious Sam: Mummy;
Serious Sam: Bastion of Darkness;
Serious Sam: Mobius the Last Planet;
Serious Sam Territory;
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Some of pirated copies (with poor Russian translation):

Nitro Family;
Gold Edition;
Serious Sam II;
Gold Edition;
The Second Encounter;"