V1.09-gog — Serious Sam 4 Deluxe Edition

The fully patched, 40+ hour campaign (including side quests).

The mention of "GOG" in this release is significant. For PC gamers, the GOG (Good Old Games) platform implies a DRM-free experience. This means no online activation checks and full ownership of the files. The v1.09 build specifically addresses many of the bugs present at launch, offering a stable, community-friendly version of the game that runs beautifully on modern hardware. Serious Sam 4 Deluxe Edition v1.09-GOG

At full price ($39.99 for Deluxe), it’s fair. On sale (GOG’s regular 70-80% discounts), it’s a steal—often dropping to $9.99. For that price, you’re getting 25+ hours of single-player and unlimited co-op replayability. The fully patched, 40+ hour campaign (including side quests)