The Deluxe Edition includes the following digital content beyond the base game:
is a specific, DRM-free release of Croteam's high-octane first-person shooter. As a prequel to the series, it delivers the signature "circle-strafe and backpedal" gameplay fans expect, scaled up to unprecedented levels. What is Included in the Deluxe Edition? Upgrading to the Serious Sam 4 Deluxe Edition adds several digital bonuses to the base game: Classic Tommy Gun Skin : An exclusive in-game cosmetic for the assault rifle. Original Digital Soundtrack Serious Sam 4 Deluxe Edition v1.09-GOG
The v1.09 update focuses on refinement and stability, building on the significant changes introduced in previous patches like v1.08. The Deluxe Edition includes the following digital content
simultaneously, creating some of the largest scale combat in the series' history. New Gameplay Mechanics : Unlike previous titles, Serious Sam 4 introduces a skill tree Upgrading to the Serious Sam 4 Deluxe Edition