Open source game engine version developed by Croteam for Serious Sam Classic (Windows, Linux, FreeBSD, Raspberry Pi OS). Based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
cd Ports/serious-sam-classic
./package.sh
Website: https://github.com/tx00100xt/SeriousSamClassic
Port: https://github.com/SerenityOS/serenity/tree/master/Ports/serious-sam-classic
Port icon has the following license: GNU GPLv2 https://choosealicense.com/licenses/gpl-2.0/ SeriousSamClassic