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

Porting of Serious Sam: The Second Encounter for android

A fan-made patch for Serious Sam Classics (The First Encounter and The Second Encounter).

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. Zdzichu official repo: https://github.com/GrlPwr-Zdzichu/SeriousSamAlphaRemake-Legacy

SE1 with personal quality-of-life improvements. Constantly work-in-progress. Fork at your own risk.

A mod for Serious Sam: The Second Encounter that tries to create an atmosphere of Half-Life 2 on Serious Engine 1 by adding weapons, enemies, interface and a lot of other features ported directly from Half-Life 2.

A mod for classic Serious Sam: The Second Encounter v1.07 that adds Cooperative and Deathmatch player bots.

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).

A collection of static libraries generated from different builds of games on Serious Engine 1.

This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine

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 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

Source code for building a custom Serious Sam Classic game executable that includes quality-of-life features.

The Dante's Inferno game based on an open source version of a game engine developed by Croteam for the classic Serious Sam games.

Serious Runner а small program that loads and runs content created by users for the game Serious Sam Classic. (Linux, FreeBSD, Windows)

This is open source project based on https://github.com/Croteam-official/Serious-Engine and linux port https://github.com/icculus/Serious-Engine