There are 2 repositories under serious-sam topic.
Open source game engine version developed by Croteam for Serious Sam Classic (Windows, Linux, FreeBSD, OpenBSD, NetBSD, macOS, Raspberry Pi OS). Based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
Open source game engine version developed by Croteam for Serious Sam Classic with Vulkan support (Windows, Linux, FreeBSD, OpenBSD, macOS, Raspberry Pi OS). Based on https://github.com/sultim-t/Serious-Engine-Vk and linux port https://github.com/icculus/Serious-Engine
A port to the OpenPandora (and working fine on plain Linux) of the open source version of a game engine developed by Croteam for the classic Serious Sam games. Status: Working (for both FE and SE).
Porting of Serious Sam: The Second Encounter for android
Workspace with everything under a single solution to provide an easier workflow across multiple projects at once.
Serious Sam Alpha Remake open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
A mod for Serious Sam: The Second Encounter that tries to recreate the atmosphere of Half-Life 2 game by adding weapons, enemies, interface and a lot of other features ported directly from Half-Life 2.
A texture converter for the Serious Sam Classics/Revolution .tex format
A mod for classic Serious Sam: The Second Encounter v1.07 that adds Cooperative and Deathmatch player bots. Designed with other mod integration in mind.
Serious Engine 1 code that is easy to maintain & build under any configuration of your choice. --- Heavily WIP!!! Keep an eye on the releases!
A combination of original SDKs by Croteam improved to provide better modding of classic Serious Sam games using modern Visual Studio IDEs (but still using MSVC 6.0 compiler).
Source code for building a custom Serious Sam Classic game executable that includes quality-of-life features.
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
A mod for classic Serious Sam: The Second Encounter v1.07 that adds a lot of options for multiplayer games including coop mode support for singleplayer maps.
A clean library base for your own entities based on Serious Sam SDK for modern Visual Studios instead of Microsoft Visual C++ 6.0.
A collection of static libraries generated from different builds of games on Serious Engine 1.
A port to the OpenPandora of the open source version of a game engine developed by Croteam for the classic Serious Sam games. Status: Working (for both FE and SE).
Serious Editor ASCII format toolset for Blender
An open source version of a game engine developed by Croteam for the classic Serious Sam games. -- The main game shell with everything for successful game launching.
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Enginessic Modification.
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine
Serious Runner а small program that loads and runs content created by users for the game Serious Sam Classic. (Linux, FreeBSD, Windows)
This overlay contains gentoo ebuild's to build addons from the source for the game Serious Sam Classic
This repository contains ready-to-install packages for games Serious Sam The First Encounter and Serious Sam The Second Encounter along with modifications.
This is a custom utility designed to help mappers automatically pack their Serious Sam levels into GRO archives with all the needed resources that the levels may use.
Examples of simple mods for Serious Sam Classics (TFE, TSE, 1.10).
Simple console utility for converting different ASCII model formats into Serious Engine's SKA model formats.
Module with dynamic patches for Serious Engine 1 functions that can be selectively applied to specific modules.
Source code for building custom Serious Editor executable with extended functionality.