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

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.

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.

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.

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.

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

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.

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.

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

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 2.1.9 and has been released on 19/08/2025. 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/...

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.

CGUI - a gui lib for multiplatform

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.

PacMan2 - The Family - Network Edition - Arcade game - opensourceware version of Pacman with NEW DESIGN and LOTS OF DEVICES (program's engine has got script executer - Squirrel(R)), in 2D version, semi-3D version and under development fully 3D It can be played by 2 players at the same PC or in multiplayer mode over the LAN-network (TCP/IP protocol, uses sockets)

Simulator of a one-armed bandit (slot machine) from developers from the Soviet Union. At the start, the player has 9995 monetary units, the casino - 10005. The goal is to ruin the casino. First, you need to place a bet (from 5 to 375), then press Enter, and the slot machine will start working, and so on over and over again. On the left there is a list of combinations that give different points.

The KevEdit repo has moved to https://github.com/cknave/kevedit

The well-known KQ console-style RPG.

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.

Emeritus Pong is a clone of the good old "Pong" game. It tries to be relatively close to the original, therefore no fancy graphic or astonishing sound effects there. Emeritus Pong is written to be able to run on any modern PC. There are three versions available: DOS, Windows and Linux. Emeritus Pong features also a cool demo mode, which makes it playing against itself, displaying the current time as scores. The game is programmed to run flawlessly on any modern PC, but it will run on older architectures, too. A 90 MHz Pentium CPU and 2 Mb of RAM should be enough to run comfortably the DOS version. Emeritus Pong may run in any usual resolution, ranging from 320x240 to 1280x1024, fullscreen or windowed. If you would like to use any other video mode (not available from the game's setup), you will have to manually edit the empong.cfg configuration file. Windows and Linux versions require a sound card for sound, and DOS version simply uses the internal PC Speaker.

Fox Oring is a variation of the sport of amateur radio direction finding. Fox Oring is a timed race in which individual competitors use a topographic map and a magnetic compass to navigate through diverse, wooded terrain while searching for radio transmitters. The term is derived from the use of the term fox hunting to describe recreational radio direction finding activity and an abbreviation of the word orienteering. It is necessary to discover 5 hidden transmitters located on a 10 × 10 field in as few moves as possible. The transmitters broadcast in all 8 directions, the number on the cell indicates the number of intersecting signals.

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.