Serious Sam 4 Deluxe Edition V1.09-gog ((link)) -

Significant reduction in crashes during heavy combat.

Play the single-player campaign entirely offline. Serious Sam 4 Deluxe Edition v1.09-GOG

A cosmetic nod to the series' history. The Significance of Version 1.09 Significant reduction in crashes during heavy combat

The high-energy score by Damjan Mravunac. Serious Sam 4 Deluxe Edition v1.09-GOG

The Deluxe Edition is designed for the ultimate fan. It goes beyond the standard game to offer a more immersive and stylized experience. The full Serious Sam 4 campaign.