Showing 676 open source projects for "g-code"

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  • 1
    OpenRW

    OpenRW

    Recreation of the classic Grand Theft Auto III game executable

    OpenRW is a cross-platform, open-source re-implementation of the game engine behind Grand Theft Auto III (GTA III). Its goal is to recreate the original gameplay engine in a modern, maintainable codebase so that GTA III can run natively on modern Windows, Linux, macOS, and BSD systems — long after the original executable becomes unworkable. The project does not ship with game content: users still need a legitimate copy of GTA III (with its original assets) to play, making OpenRW strictly an...
    Downloads: 2 This Week
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  • 2
    Flexbox Froggy

    Flexbox Froggy

    A game for learning CSS flexbox

    Flexbox Froggy is an interactive browser game for learning CSS Flexbox. It teaches layout concepts by asking players to move frogs onto lily pads using real CSS properties. The game turns abstract alignment rules into visual challenges, making it easier for beginners to understand how Flexbox behaves. Players practice properties such as justify-content, align-items, flex-direction, order, align-self, flex-wrap, and align-content. The project is localized into many languages through community...
    Downloads: 0 This Week
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  • 3
    Mach Engine

    Mach Engine

    Zig game engine & graphics toolkit

    ...The project aims to deliver a modular, robust foundation where graphics, input, windowing, and rendering are unified under a modern, low-level but ergonomic API. Because Mach is written in Zig (with some shader code / WGSL), it leverages Zig’s performance and modern systems-level features while offering safe-ish abstractions compared to raw graphics APIs. The engine supports a broad set of target platforms — desktop OSes and in principle, future expansion — and tries to simplify the pain of dependency management and cross-compilation, making it easier to build and deploy across systems without complex toolchains. ...
    Downloads: 1 This Week
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  • 4
    Sample GenLayer project

    Sample GenLayer project

    Includes the boilerplate code for a GenLayer use case implementation

    GenLayer Project Boilerplate is an open-source template designed to accelerate the development of decentralized applications on the GenLayer protocol by providing a fully integrated environment that combines intelligent contract logic with a modern frontend interface. It includes a complete working example of a prediction market application, demonstrating how developers can structure, deploy, and test decentralized logic in a real-world scenario. The project integrates both backend contract...
    Downloads: 0 This Week
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  • 5
    Clay

    Clay

    High performance UI layout library in C

    ...Firstly, tagging an element with an ID allows you to query information about the element later, such as its mouseover state or dimensions. Secondly, IDs are visually useful when attempting to read and modify UI code, as well as when using the built-in debug tools.
    Downloads: 0 This Week
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  • 6
    OGRE

    OGRE

    scene-oriented, flexible 3D engine (C++, Python, C#, Java)

    OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce games and demos utilizing 3D hardware. The class library abstracts all the details of using the underlying system libraries like Direct3D and OpenGL and provides an interface based on world objects and other intuitive classes. We consider the results of our GL3Plus RenderSystem as the gold standard. The respective...
    Downloads: 0 This Week
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  • 7
    macroquad

    macroquad

    Cross-platform game engine in Rust

    ...A strength of Macroquad is its cross-platform reach: it supports desktop (Windows, Linux, macOS), web (via WebAssembly / HTML5), and mobile (Android, iOS) without requiring platform-specific code. Compilation is relatively fast with minimal dependencies, so small projects or prototypes can spin up quickly. Because it’s “batteries included” for common tasks (rendering, drawing shapes, text, basic UI, game loop), Macroquad works well for rapid prototyping.
    Downloads: 0 This Week
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  • 8
    Fusion library

    Fusion library

    Futuristic Luau for every universe

    ...Fusion aims to reduce boilerplate code and improve readability by encouraging declarative programming patterns.
    Downloads: 5 This Week
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  • 9
    Super Mario Bros Java
    ------- 6th Feb 2026 ---------- gamepad support added = Mario_NES_Gamepad_Supported.zip require minimum java 1.8 after starting game with java.exe -jar "Mario.jar" in the main screen you can press z and x to chagen levels -------- settings if u check "skip this next time" and if u want to bring it back simply delete the file "Settings.txt" ( the file is create when u launch game and start game ) -------- controlls : z = run / fire x = jump arrows : left = go left down : duck right = go right i = show controlls menu g = show gamepad buttons -------- this is not for android game , its for windows , mac os and linux
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    Downloads: 420 This Week
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  • 10
    Denise

    Denise

    C64/Amiga emulator with shader and runAhead

    Denise is a cycle accurate C64 / Amiga 1000/500/600 emulator. It runs on Window 7 and higher, macOS (Intel and ARM), Linux, BSD.
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    Downloads: 231 This Week
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  • 11
    Rune

    Rune

    Build multiplayer web games played by millions

    Rune is a game development platform focused on creating real-time multiplayer games with minimal backend code. Designed for indie developers, it handles networking, matchmaking, and server management while integrating seamlessly with JavaScript-based game engines.
    Downloads: 8 This Week
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  • 12
    Descent 3

    Descent 3

    Descent 3 by Outrage Entertainment

    The Descent3 repository is the open source release of the Descent 3 game engine by Outrage Entertainment, maintained by the community under the GPL-3.0 license. It provides the full C and C++ engine source code, including the historically significant “1.5” patch that was previously created by developers and later stabilized by fans. The codebase covers the game’s rendering, physics, audio, networking, tools, and editor components, allowing enthusiasts to build, run, and modify the classic 6-degrees-of-freedom space shooter on modern systems. ...
    Downloads: 2 This Week
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  • 13
    Speed Dreams : an Open Motorsport Sim
    ...It is also intended for any research, study or teaching activity, around physics and AI, thanks to its GPL V2+ license, and the clear and modular architecture of its C/C++ code base.
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    Downloads: 252 This Week
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  • 14
    Bloxshade

    Bloxshade

    Bloxshade installer source code.

    Improve Roblox with shaders. Bloxshade is a graphics enhancement tool designed to improve the visual quality of Roblox games through advanced shaders and post-processing effects. It allows players to customize lighting, color grading, reflections, and other visual elements to create a more immersive gaming experience. Built around NVIDIA Ansel and shader technology, Bloxshade transforms standard Roblox environments into more realistic and cinematic worlds. The platform offers customizable...
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    Downloads: 457 This Week
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  • 15
    0 A.D.

    0 A.D.

    0 A.D. is a free, open-source, cross-platform real-time strategy game.

    0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
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    Downloads: 540 This Week
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  • 16
    Still Yet Another Sokoban

    Still Yet Another Sokoban

    An implementation of the popular Sokoban puzzle game. Win/Mac/Linux

    ...Sokoban was originally created in 1981 by Hiroyuki Imabayashi. Available as Windows installer, portable .zip for Windows, Mac .dmg file, or cross-platform source code. Source code: http://github.com/davidjoffe/sokoban (source code is C++, only one dependency - LibSDL1.2 - and is structured in a way that lends easily to re-use for other similar types of games, potentially.) Project development livestream: https://twitch.tv/david_joffe Default Keys: Mouse-click: Move Up/Down/Left/Right: Move U: Undo R: Reset level state C: Choose set of levels M/N: Previous/Next level S: Toggle shadows A: Show 'About' information Esc: Exit
    Downloads: 11 This Week
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  • 17
    Svelto.ECS

    Svelto.ECS

    Svelto ECS C# Entity Component System

    ...Svelto.ECS wasn't born just from the needs of a large team, but also as a result of years of reasoning behind software engineering applied to game development. Svelto.ECS hasn't been written just to develop faster code, it has been designed to help develop better code. Performance gains is just one of the benefits in using Svelto.ECS, as ECS is a great way to write cache-friendly code.
    Downloads: 1 This Week
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  • 18
    flare-game

    flare-game

    Action RPG that's easy to mod

    ...Instead of being a general engine that handles many game types, this focused engine is small and easy to mod. Included is a demo game featuring dark atmosphere and fast-paced combat. The code is GPL and the art is CC-BY-SA.
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    Downloads: 91 This Week
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  • 19

    Europa Universalis Game Tools

    Europa Universalis 4 save game editor

    Java library and application to edit game files from all Clausewitz-engine games (EU3 and later, including EU4, Victoria 2, Hearts of Iron 3, EU: Rome, March of the Eagles, and Crusader Kings 2 and 3) and their saved games. Source code is now hosted at https://github.com/mmyers/eug. Sponsor on Patreon: https://www.patreon.com/user?u=60455822
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    Downloads: 47 This Week
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  • 20
    Tank Battle Classic

    Tank Battle Classic

    A tank combat action game with retro style.

    A single-player tank combat action game featuring military vehicles of World War II. Fight enemy forces across a variety of battlefields rendered with retro-style visuals, making use of your tank's performance and the surrounding terrain. Armor and Penetration This game does not use a hit point system. A single penetrating shot can destroy a tank. Armor thickness varies by vehicle and by armor section. Penetration is affected by impact angle and distance, so targeting weak points and...
    Downloads: 4 This Week
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  • 21
    YSoccer

    YSoccer

    Retro style, multi-platform soccer game

    A new soccer game which intends to give a continuation to the funny and easy playable series of Sensible World of Soccer (aka SWOS). The source code is available under the GNU General Public License.
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    Downloads: 111 This Week
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  • 22

    Dune Legacy & Dune City

    Dune II strategy and city building on Arrakis

    ...Download the current Dune City builds for Windows, macOS and Linux from Files > dunecity. Classic Dune Legacy releases remain in Files > dunelegacy. Website, screenshots and playing guide: https://dunelegacy.com/dune-city.html Source code and releases: https://github.com/VR48/dunecity
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    Downloads: 178 This Week
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  • 23
    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: 217 This Week
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  • 24
    RetroArcade

    RetroArcade

    ASCII SpaceInvaders, Pacman, Frogger

    RetroArcade is a highly portable collection of ASCII arcade games with sound that run in a commandline terminal on Windows, OS-X and Gnu/Linux. Includes SpaceInvaders, Pacman & Frogger. Includes full source code. ----------------------------------------------------------- Featuring * no installation * no dependencies (Ncurses not needed) * simply unzip in your Downloads directory, or any other writeable directory, and run; * or unzip onto a USB flash drive [w/same file format] and run.
    Downloads: 7 This Week
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  • 25
    GemDash

    GemDash

    Gem Dash aka Boulder or Dyna Blaster like 8-bit style game in Python

    A Gem Dash is motivated from specific 8-bit games. Since it's my first code in Python, the old template gave me a good code basis to understand how to build game logic, use PyGame and create something that will work and I can finish. I can add even more game mechanics and changes. *_win include .exe (executable) *_mac include .app (in dmg, works independent) Requirements: - Python 3.13.2 or newer - Pygame 2.6.1 or newer ( terminal: pip install pygame ) Objective And Rules Of The Game: - Collect all the diamonds to open the exit to go to the next level...
    Downloads: 1 This Week
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