If you are hosting a game via TeknoSam 2.0, other players cannot join. You need to forward in your router’s settings. Also, disable "Universal Plug and Play" in the game’s network options.
When you attempt to launch the game via TeknoSam 2.0, you might see a pop-up window stating: teknosam 2 0 serious sam 20 fix
HD redrawn HUD icons, updated weapon materials, and full-screen movie playback. If you are hosting a game via TeknoSam 2