Serious Sam 4

reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and the iconic "Serious" humor. Humanity is under siege as the full force of Mental’s hordes spreads across the world, and only Sam "Serious" Stone and his squad can stop them. 📦 Deluxe Edition Includes: Serious Sam 4 (Base Game)

• No Denuvo – GOG version is DRM-free, no performance hit.
• Mod support: Place .pak mods in Serious Sam 4\Content\SeriousSam4\Mods (create folder if missing).
• Saves location: %USERPROFILE%\Saved Games\Serious Sam 4
• Multiplayer: Direct IP / LAN only in v1.09 (Steamworks removed for GOG). Use Radmin VPN or ZeroTier for online co-op with friends.

The game revolves around "running and gunning" through large-scale environments while fending off thousands of alien invaders.

• Install the game on an offline PC (perfect for a retro battlestation).
• Copy the installer to a USB drive or external HDD for backup.
• Share the installation within your household (not for piracy, but for local co-op setups).
• Never worry about a launcher update breaking your game.