Open Source MS-DOS Games

ZSNES is a SNES/Super Famicom emulator for x86 computers. It runs on Windows, MS-DOS and Linux/FreeBSD and supports mode 7, sound, Super FX, and a lot more.

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.

RetroArch is a way to run classic games on a wide assortment of Operating Systems and Consoles. Support the Developers on their Patron! https://www.patreon.com/libretro

Electronic Arts Inc. has released the source code for Command & Conquer Red Alert under the GPL V3 license below, with additional terms at the bottom. This ZIP file is the full repository snapshot and includes source code for Command & Conquer Red Alert. This release provides support to the Steam Workshop for the game. Command and Conquer: Red Alert is a classic real-time strategy (RTS) game developed by Electronic Arts, with its source code available on GitHub for archival and preservation purposes. This repository offers tools to assist with compiling and running the game on modern platforms. It supports Steam Workshop integration, and while not currently accepting contributions, the repository serves as an open-source preservation project for the game. Developers interested in restoring the game or adapting it for new environments will find helpful dependencies and build tools outlined in the repository.

A MAME and MESS port with an advanced video support for Arcade Monitors, TVs, and PC Monitors. It also contains a bootable Linux LiveCD/USB, a frontend with animated MNG/MP3 snapshots, a rom manager, and recompression utilities for compressed files.

Star Trek 24/7: LCARS (Starfleet) GUI, full-screen alarm clock & calendar, games, utilities, sims, maps, graphical LCARS library, file manager, viewers, players, animation. Requires a HighColor/TrueColor DOS-based laptop w/ std. graphics & sound cards.

NewWolf is a conversion of a famous 3D action game: Wolf3D by ID software. The purpose of this project is to make a stable, extencible and portable 32bit version of Wolf engine. To allow users run it in different resolutions and on various platforms.

NetHack - Falcon's Eye enhances the classic roguelike game NetHack with isometric high-res graphics, digitized effects, symphonic music and an intuitive mouse-driven interface, yet retains all the original gameplay and features.

The well-known KQ console-style RPG.

MyMan is a video game for color and monochrome text terminals in the genre of Namco's Pac-Man.

A console/text based chess program with XBoard/CECP and UCI API, available on all major platforms. You may need a graphical chess interface to use it. Please refer to README.md in the files section for installation instructions. The last stable release is 2.2.0 and has been released on 13/04/2026. Belofte 0.2.0 till 0.9.20 (c/c++): Xboard 1 & 2 (CECP) - Linux/Unix/(Windows) Belofte 2.1.1 and up (c++11) : UCI and Xboard 2 - Linux/Windows/Mac/Android/... For access to code, please clone the git repository. Compiles and Runs on 32/64 bit on Windows, Mac, Linux, Android (ARM/x86) and Raspberry. Released under GNU v2 license. (means free to copy, free to modify, free to use, ...) Works fine with Arena/Cutechess/BanksiaGui/Winboard/Xboard/...

FakeNES is a highly portable, Open Source NES and Famicom emulator. It runs on all modern operating systems and has an actively maintained DOS port for enthusiasts. Support for phones and other mobile platforms is under development. The majority of the project is entirely original code released under the zlib/libpng license. Contributed and third-party code is included under GNU licenses.

CGUI - a gui lib for multiplatform

IRE is a tile-based Computer Role-Playing Game engine based on Ultima 6, but with an emphasis on customisation and cross-platform support. Everything is controlled using scripts.

VGA Planets Assistant (VPA) is a client program for VGA Planets PBEM game. Requires: Dosbox from https://www.dosbox.com It works with original host (THOST: www.vgaplanets.com) and Portable Host (PHost: www.phost.de, phost-contrib.sf.net, hosted by https://planetscentral.com) and the new web-based NU-Host (https://www.planets.nu) by using additional tool streu's c2nu.pl (https://github.com/stefanreuther/c2nu). Maintained by sfplanets.

A very special TETRIS clone, the Queen of Tetrises, the TETRIS Queen, with 50 levels, 30 musics, total support for 2 player, and two modes: classic & destructor (with bombs and mega-bombs), this and much more in one free game developed with Allegro lib.

VisPatch is a tool for patching quake maps for transparent water in glquake: it is used for preparing and applying the patch files. This is a thoroughly revised version of the old source for unix (linux, freebsd, ...), as well as windows.

Iter Vehemens ad Necem (IVAN) is a graphical roguelike game, which currently runs in Windows, DOS and Linux. It features advanced bodypart and material handling, multi-colored lighting and, above all, deep gameplay.

Rogue Clone IV is an open-source reproduction of everybody's favorite role-playing game: rogue. There are currently ports to 16-bit DOS and 32-bit Windows.

Using the simple line-graphics available in the Turbo's "graphics.h" graphics library, create a classic, fully functional paranoid-clone with the ability to create custom scenarios, and with several variations (sizes/numbers) of balls, bricks and bats. High-scores are recorded into a text file for later perusal.

Red Pixel is a platform deathmatch game for two players. It can be player over a LAN or a serial cable link.

Anatolia MUD is a Multi-User Dungeon game based on Diku MUD. Anatolia is another name for Asia-Minor: where Asia and Europe intersect. Anatolia MUD is a text based multi-user game. For further details please visit: http://anatoliamud.sf.net

Evil Pandy 3D - an overhaul of Duke Nukem 3D using the source code provided by 3DRealms. The objective of is to improve upon the interface and gameplay, and to apply these changes to a new game in Duke style. -- It`s not a mullet. It`s a skullet.

Nosefart plays NSF (NES sound format) files so you can listen to those old tunes without actually having to play the games. It runs in Linux, DOS/Windows, and as a plugin to various players, including Winamp and XMMS. It was mostly written by Matt Co

Omega is a roguelike game originally written by Laurence Brothers in the late 80s. It was the first roguelike game with a large "countryside", plot development, quotable quotes, and a sense of humor.