Review code for this title provided by Croteam. Direct visual comparison of the recently released Serious Sam 4 and Serious Sam 3 played on the PC at 1440p Ultra settings. To get your free bonus copy of Serious Sam: The First Encounter - purchase Serious Sam 4 from GOG using promo code in the following link: Promo code valid until Oct 1st, 2020 @5AM CEST - or until it has been
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