Open Source Assembly Games for Windows

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.

An emulator for Gameboy and GameboyAdvance systems.

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.

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

PCSX2 is a PlayStation 2 emulator for Windows and Linux, started by the same team that brought you PCSX (a Sony PlayStation 1 emulator). Currently, it can emulate thousands of games at full speed

Gens is a win32/unix Sega Genesis / Sega CD / Sega 32X emulator.

ALL FILES FOUND HERE ARE _OLD_, PLEASE MOVE TO https://ezquake.github.io FOR THE LATEST VERSIONS Combining the features of all modern QuakeWorld® clients, ezQuake makes QuakeWorld® easier to start and play. The immortal first person shooter Quake® in the brand new skin with superb graphics and extremely fast gameplay. The project started in August 2004 as a derivate of the FuhQuake client by fuh which is a derivate of ZQuake QuakeWorld client by Tonik, one of the current ezQuake developers. Finally, ZQuake is a derivate of QuakeWorld client made by Id Software. This company has created the Quake game itself and later on released the source codes of game executables under GNU General Public License. Because id Software didn't release the whole game for free to the public you still need some of the original files from Quake to play QuakeWorld using our client.

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.

Vavoom is Doom/Heretic/Hexen/Strife source port. It features software, OpenGL and Direct3D rendering, VavoomC scripting language, slopes, 3D-floors, Quake style lighting engine, pure client/server architecture with in-game joining and a lots more.

Cxbx is an Xbox emulator for WinNT (XP/2k/2003) computers. Turok Evolution is currently the only playable retail game.

Software Development Kit for the Nintendo(tm) Gameboy Advance(tm) based on GCC.

Daedalus is an established open-source Nintendo 64 emulator for Windows and the Sony PSP.

Python ctypes module for the Irrlicht Engine SDK for 2d/3d games and graphics. Compatibility with all Python versions, wich support ctypes module. Second internal project is SWIG wrapper. Additional support for SVG files over AGG or Cairo library. Also irrlicht_c library give access to Irrlicht functional from other programming languages: ASM (FASM), C (TinyC), Basic (FreeBASIC, thinBasic, OxygenBasic), Pascal, Gentee, AutoIt and game frameworks like GameMaker or Blitz.

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.

The Torque Network Library is a robust, secure, easy to use cross-platform C++ networking API designed for high performance simulations and games. The network architecture in TNL has powered some of the best internet multiplayer action games to date.

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.

A shareware game called begin was released in 1984: a tactical starship game with a good AI and fair rules (the computer had no advantage) I've hacked assembly code to make it a multiplayer game, so that folk can challenge each other rather than the AI.

PSID64 is a program that converts PSID and RSID files into C64 executables. This allows users to play PSID and RSID files (originally used by the PlaySID program) on a real Commodore 64 computer or emulator such as VICE.

Dreamos is an operating system developed on Sega Dreamcast to be ported to an array of embedded devices. The goal of the project is to be able to run non-ported Unix programs on the Sega Dreamcast and other embedded devices with ease and POSIX compliance

Game software for emulating an EverQuest server

This project is the development of an open source fully emulated Darkfall Online Server and reverse engineering the proprietary game engine that DFO uses, the SF3D engine as well as its source code.

Aleph One is a highly sophisticated program for generating fractals. Some major features are: A built-in expression generator, 32-bit colouring schemes for the fractals, multi-threaded and multi-server rendering! WOW! And lots, lots more... The source code has moved to GitLab: https://gitlab.com/jmmcg/alephone

Forgotten Destruction is a free real-time strategy game developed using the Simple DirectMedia Layer. It focuses on the conflict between an evil shadowy empire and human race with their nearby allies.

Game Launcher is a cross platform, universal front end for emulators. The main goal is to provide a user interface that is easy to use and attractive, yet does not look like a traditional user interface. It should work with any emulator.

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)