A portable, enhanced source port of Doom, Heretic and Hexen.
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Updated
Jun 3, 2026 - C++
A video game genre centered on gun and other weapon-based combat experienced through the eyes of the protagonist.
A portable, enhanced source port of Doom, Heretic and Hexen.
Sauerbraten for the web.
Repository for the Open Tournament Project
AI system to simulate combat behaviors in a FPS game using Behavior Trees (UE4)
CatacombGL is a source port with OpenGL graphics for Catacomb 3D (1991), The Catacomb Abyss (1992), The Catacomb Armageddon (1992) and The Catacomb Apocalypse (1993).
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
Port of the original 1996 game from Ambrosia Software.
AssaultCube Reloaded (first-person-shooter game)
First person shooter with Unity terrain and AI pathfinding (http://gdev.tv/cudgithub)
Main repository for VALHALLA, the first-person shooter game set within a dystopian, sci-fi reimagining of Norse mythology.
Official Smokin' Guns team engine repository, master branch was directly imported from SourceForge Subversion repository, pull requests will be reviewed and integrated in future Smokin' Guns releases.
Descent 1&2 source port based on DXX-Retro
KTX: a QuakeWorld server modification
Source port of Doom, Heretic, Hexen and Strife developed in Delphi
A simple FPS game with BabylonJS engine following Clean Code principles
Classic Arena First-Person-Shooter Mechanics for Unreal Engine 4.
Play the Quake 2 first-person shooter engine in your browser! Supports WebGL 2 and software-rendered modes.
🧟♂️ A Unity based FPS with a Zombie theme using raycasting for shooting and the core mechanics you'd expect in an FPS. Zombies use AI navigation and precise pathfinding to chase down the player. The game also has a HUD interface which is VR compatible.
Play the Quake engine in your browser! True to the original. Supports WebGL, software-rendered mode, mods, and mission packs.