Open Source Windows First Person Shooters

First Person Shooters for Windows

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Browse free open source First Person Shooters and projects for Windows below. Use the toggles on the left to filter open source First Person Shooters by OS, license, language, programming language, and project status.

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  • 1
    BZFlag - Multiplayer 3D Tank Game
    OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Download the latest version at https://www.bzflag.org/downloads/ Development has moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated. Please download the latest version from our website.)
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    Downloads: 2,811 This Week
    Last Update:
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  • 2
    Cube 2: Sauerbraten (game engine & FPS)
    3D game engine (more powerful redesign of the Cube engine) and FPS game
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    Downloads: 568 This Week
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  • 3
    This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.
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    Downloads: 374 This Week
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  • 4
    QuakeSpasm

    QuakeSpasm

    A modern, cross-platform Quake game engine based on FitzQuake.

    QuakeSpasm is a *Nix friendly Quake Engine based on the SDL port of the popular FitzQuake. It includes some new features, important fixes, and aims for portability and 64 bit correctness.
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    Downloads: 376 This Week
    Last Update:
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  • 5
    MetaMod is a plugin/DLL manager that sits between the Half-Life Engine and an HL Game mod, allowing the dynamic loading/unloading of mod-like DLL plugins to add functionality to the HL server or game mod.
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    Downloads: 418 This Week
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  • 6
    Hexen II: Hammer of Thyrion

    Hexen II: Hammer of Thyrion

    A cross-platform port of Hexen II game.

    Hammer of Thyrion (uHexen2) is a cross-platform port of Raven Software's Hexen II source. It is based on an older linux port, Anvil of Thyrion. HoT includes countless bug fixes, improved music, sound and video modes, opengl improvements, support for many operating systems and architectures, and documentation among many others.
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    Downloads: 208 This Week
    Last Update:
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  • 7
    Nexuiz is a multiplayer first-person shooter. It is distributed under the GNU General Public License (GPLv2). Version 1.0 was released on May 31, 2005. The current version is, 2.5.2.
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    Downloads: 117 This Week
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  • 8
    AMX Mod X
    AMX Mod X is a Metamod plugin which allows you to write modifications for Half-Life with Small scripting language. It provides in-game administration tools, game statistics, server management and gameplay modificators. It is based on the original AMX Mod
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    Downloads: 126 This Week
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  • 9
    Odamex

    Odamex

    Odamex is a free, cross-platform, modern client-server Doom engine

    Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online. The goal of Odamex is to add enhancements to Doom while still retaining that "classic Doom feel" we all know and love about the original game.
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    Downloads: 162 This Week
    Last Update:
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    The All-in-One Commerce Platform for Businesses - Shopify

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  • 10
    OpenLierox is an extremely addictive realtime worms shoot-em-up backed by an active gamers community. Dozens of levels and mods are available to provide endless gaming pleasure.
    Downloads: 88 This Week
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  • 11
    OpenArena

    OpenArena

    Free and open source FPS based on Quake III Arena

    OpenArena aims to be a free, yet compatible clone of Quake III Arena. It also strives to add subtle enhancements such as new gametypes, playermodels and of course maps! Further improvements are incorporated by using the ioquake3 engine.
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    Downloads: 123 This Week
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  • 12
    America's Army 2.5 Assist

    America's Army 2.5 Assist

    Classic America's Army

    A GUI client application for Downloading Installing and Playing Americas Army 2.5 on Windows, Mac and Linux with a new custom authorization system. On the server side a Desktop server manager for Windows, Mac and Linux and a Command line dedicated server manager for Windows and Linux. Backend server components include a replacement authorization system using the Battletracker account & stats database and a PunkBuster log streaming server which records players possible cheating activities.
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    Downloads: 77 This Week
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  • 13
    Doom 64 EX is a faithful recreation of the original game using the Doom source code as the base with the benefit from newer control methods like mouse look, high resolutions and color depth.
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    Downloads: 71 This Week
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  • 14
    Digital Paint: Paintball 2
    Paintball2 is a fast-paced first-person game with capture the flag, elimination, siege, and deathmatch (free-for-all) styles of gameplay. This project focuses on enhancing the Quake2-based engine it uses.
    Downloads: 53 This Week
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  • 15
    The Quake Army Knife (QuArK)
    A powerful editor for video games based on or similar to id Software's series of Quake games. Currently QuArK supports 41 distinct games, 5 generic game engines, and a countless number of expansions packs, addons, and mods. It integrates a map editor, model editor, archive editors, texture management, and much more.
    Downloads: 62 This Week
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  • 16
    PrBoom, the purest Doom-Port? Aims to be the most stable Doom port with the highest compatibility to the major Doom versions. Highres software and nice OpenGL rendering. Full Boom and most if not all MBF features.
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    Downloads: 87 This Week
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  • 17
    Metamod-P is enhanced version of Metamod. It has dynamic link-entities and automatic detection of Mod DLL and other improvement to allow it work with future Half-Life Engine updates and new Mods and updates. It also has performance optimizations.
    Downloads: 53 This Week
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  • 18
    3D game engine and multiplayer/singleplayer FPS game
    Downloads: 72 This Week
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  • 19
    Doomsday Engine

    Doomsday Engine

    DOOM / Heretic / Hexen source port with enhanced graphics and UI

    A portable game engine for classic first person shooters such as DOOM, Heretic and Hexen. Lets you enjoy the original games using modern technology, including high-resolution OpenGL graphics, 3D models, and dynamic lighting effects.
    Downloads: 45 This Week
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  • 20
    Modified PrBoom port with uncapped framerate, variable gamespeed, re-record, walkcam, chasecam, full mouselook, fov and other features without loss of compatibility with original DOOM.
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    Downloads: 43 This Week
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  • 21
    AssaultCube

    AssaultCube

    AssaultCube is a FREE, multiplayer, first-person shooter game.

    AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun! With efficient bandwidth usage, it's low-latency and can even run over a 56Kbps connection. It's tiny too, weighing in at a lightweight 40 MB package available for Windows, Mac and Linux. On the correct settings, it can even run on old hardware (Pentium III and above). More about AssaultCube @ http://assault.cubers.net
    Downloads: 30 This Week
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  • 22
    DelphiDoom

    DelphiDoom

    Source port of Doom, Heretic, Hexen and Strife developed in Delphi

    This is a source port of the games Doom, Heretic, Hexen and Strife developed in Delphi. Source code repository: https://github.com/jval1972/DelphiDoom Many features have been added to take advantage of modern hardware: -External hi-res textures -Advanced 32 bit color software rendering -OpenGL support -Quake (md2) models -Sloped floors & ceilings -3d middle floors -Voxels -Dynamic lightmaps -mp3 music -Custom actor definition -and many more... In addition provides accurate demo playback of many Vanilla Doom demos. Supported games include: Doom, Doom2, Heretic, Hexen, Chex Quest, Chex Quest 2 and Strife.
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    Downloads: 41 This Week
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  • 23
    Manic Digger is a public domain 3d block-building game similar to Minecraft.
    Downloads: 31 This Week
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  • 24
    Battlefield Bad Company 2 MASE

    Battlefield Bad Company 2 MASE

    Battlefield bad company 2 Master server emulator + Server R34

    There is not much to say about it , you can play BFBC2 on LAN if you want with friends. NO bots and as the things stated, wont will be soon... just on Xbox has onslaught, the ONLY mode what it has bots, but on PC there is not any not even the onslaught gamemode, there is DM,RUSH,CONQUEST,SQDM,SQRUSH gamemodes. Just and only. THE PROJECT NOT CONTAINING *ANY* OF THE ORIGINAL CODE FROM THE GAME!!! IT IS AN EMULATED PROGRAM! WHAT IS MIMIC THE SERVER CODE, AND MAKES IT POSSIBLE TO PLAY OFFLINE, IT IS PERFECTLY LEGAL TO USE THIS CODE! Credit goes to the original programmer of this code!(THE ZAPETH, and all other who made the dedicated server from scratch) For how to install this, and setup client check the tutorial under the "files" section here in sourceforge page!
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    Downloads: 35 This Week
    Last Update:
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  • 25
    FreeCS

    FreeCS

    FreeCS is a free-software reimplementation of Counter-Strike 1.5.

    FreeCS is a free-software reimplementation of Counter-Strike 1.5 running on the FTEQW engine. All it is, is a game-logic re-implementation in QuakeC, an architecture independent programming language. FreeCS is not a game-engine as it relies on FTEQW (released under the GPL V2). All this makes it possible to play FreeCS on virtually any platform! No DRM! No third-party accounts! Just download, play, contribute. The game-logic is written by me with help of twhl.info's wiki. It has since been incorporated into the Nuclide project, which re-implements more than just CS 1.5.
    Downloads: 35 This Week
    Last Update:
    See Project
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