Showing 6896 open source projects for "c# source code"

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  • 1
    Overload

    Overload

    3D Game engine with editor

    A game engine made for Windows, without flourishes. Online documentation and commented sources. Develop complete games with our lua scripting system! Customize Overload editor as you like. Increase your productivity by changing the editor layout. Never feel lost by reading Overload wiki, full of tutorials and a highly documented scripting API! You don't need to watch hours of tutorials on YouTube, Overload is intuitive. Drag & dropping has never been so easy! We made our best to focus on...
    Downloads: 0 This Week
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  • 2
    Warzone 2100

    Warzone 2100

    Free and open source real-time strategy game

    A 100% free and open-source 3D real-time strategy game. Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. Play versus your friends on a local network, or try your hand at online multiplayer with an integrated lobby. Play versus AI bots in local skirmishes (or as added teammates/enemies in multiplayer), and practice your skills with endless replayability. Over 400 different technologies yield an extensive tech tree...
    Downloads: 18 This Week
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  • 3
    PixiJS

    PixiJS

    The HTML5 Creation Engine

    PixiJS is a fast and lightweight 2D rendering library that lets you create rich, interactive graphics, cross platform applications, and HTML5 games even without prior knowledge of WebGL. It’s a fantastic tool for creating rich, interactive content and with built-in cross platform compatibility and graceful degradation, there’s less work for you and more space for fun and creativity! PixiJS works across all devices and is incredibly fast. If you want to create exceptional experiences without...
    Downloads: 18 This Week
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  • 4
    OpenVR SDK

    OpenVR SDK

    API and runtime that allows access to VR hardware

    OpenVR is an API and runtime that allows access to VR hardware from multiple vendors without requiring that applications have specific knowledge of the hardware they are targeting. This repository is an SDK that contains the API and samples. The runtime is under SteamVR in Tools on Steam. The OpenVR API provides a game with a way to interact with Virtual Reality displays without relying on a specific hardware vendor's SDK. It can be updated independently of the game to add support for new...
    Downloads: 20 This Week
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  • 5
    Dungeon Crawl: Stone Soup

    Dungeon Crawl: Stone Soup

    A game of dungeon exploration, combat and magic

    An open source roguelike adventure through dungeons filled with dangerous monsters in a quest to find the mystifyingly fabulous Orb of Zot. Crawl may seem easier than many other roguelikes at first glance, but dig a little deeper and you'll find it's just as challenging as some of the most difficult variations out there and a good deal harder than the rest. A strong set of design philosophies makes it much friendlier (and generally fairer) to the player - deaths are a learning experience...
    Downloads: 28 This Week
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  • 6
    Cocos Engine

    Cocos Engine

    Cocos simplifies game creation and distribution with Cocos Creator

    The Cocos Engine repository powers the open-source core of Cocos Creator, a cross-platform game engine and editor designed for building 2D and 3D games for web and native targets. It aims to simplify game creation and distribution, with support for high-performance rendering, physics, scene management, asset pipelines, and more. The engine is built using a mix of C++ (for performance-critical systems) and TypeScript/JavaScript (for scripting), enabling developers to script game logic while relying on a robust, high-performance core. ...
    Downloads: 13 This Week
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  • 7
    Fusion library

    Fusion library

    Futuristic Luau for every universe

    Fusion is a lightweight companion library for the Luau programming language designed to simplify application development, particularly for projects built on the Roblox platform. The framework provides tools for organizing program logic into reactive chains of data and state changes, allowing developers to build complex systems using clear and predictable code patterns. Fusion emphasizes a reactive programming style where user interface elements and other components automatically update when...
    Downloads: 3 This Week
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  • 8
    osu!framework

    osu!framework

    A game framework written with osu! in mind.

    A game framework written with osu! in mind. If you are interested in creating a project using the framework, please start from the getting started wiki resources (or jump straight over to the project templates). You can either start off from an empty project, or take a peek at a working sample game. Either way, full project structure, cross-platform support, and a testing setup are included! This framework is intended to take steps beyond what you would normally expect from a game framework....
    Downloads: 1 This Week
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  • 9
    fheroes2

    fheroes2

    fheroes2 is a recreation of Heroes of Might and Magic II game engine

    fheroes2 is a recreation of the Heroes of Might and Magic II game engine. This open-source multiplatform project, written from scratch, is designed to reproduce the original game with significant improvements in gameplay, graphics and logic (including support for high-resolution graphics, improved AI, numerous fixes and user interface improvements), breathing new life into one of the most addictive turn-based strategy games. You can find a complete list of all of our changes and enhancements...
    Downloads: 12 This Week
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  • 10
    LeviLamina

    LeviLamina

    A lightweight, modular and versatile mod loader for Minecraft Bedrock

    LeviLamina is an open-source Minecraft server platform focused on extending Bedrock Edition server capabilities with a flexible plugin and development environment. The project provides a foundation for building custom server features and gameplay modifications that can run on Bedrock-based multiplayer servers. It aims to offer developers a modern architecture that simplifies the creation of plugins and server extensions while maintaining compatibility with the Minecraft Bedrock protocol....
    Downloads: 15 This Week
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  • 11
    Redot Engine

    Redot Engine

    Multi-platform 2D and 3D game engine

    Redot Engine is an open-source game engine that aims to provide a flexible foundation for building games — likely offering a modern, modular structure so developers can compose only the systems they need (rendering, physics, input, scripting, etc.). It is built to give a base framework rather than a full “batteries-included” engine, which makes it suitable for developers who prefer minimalism, want complete control over architecture, or desire to build custom workflows. Because it’s...
    Downloads: 1 This Week
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  • 12
     TrinityCore

    TrinityCore

    Open Source MMORPG Framework

    TrinityCore is an open source MMORPG Framework based mostly in C++, with a back-end of MySQL for the DB content. It is derived from MaNGOS, the Massive Network Game Object Server, evolving over time since it has become an independent project. It has undergone several changes that have optimized, cleaned up and improved the codebase as well as the in-game mechanics and functionality.
    Downloads: 4 This Week
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  • 13
    ShowEQ Open Source Project
    ShowEQ or SEQ for short is a program designed to decode the EverQuest data stream and display that information on another computer running the Linux OS in real time. Our Forums are located at https://seq.sourceforge.net/forums/
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    Downloads: 146 This Week
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  • 14
    DuckStation

    DuckStation

    Fast PlayStation 1 emulator for x86-64/AArch32/AArch64

    DuckStation is an simulator/emulator of the Sony PlayStation(TM) console, focusing on playability, speed, and long-term maintainability. The goal is to be as accurate as possible while maintaining performance suitable for low-end devices. "Hack" options are discouraged, the default configuration should support all playable games with only some of the enhancements having compatibility issues. A "BIOS" ROM image is required to to start the emulator and to play games. You can use an image from...
    Downloads: 25 This Week
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  • 15
    JKSV

    JKSV

    JK's Save Manager Switch Edition

    This started as a simple, straight port of my 3DS save manager I publicly released in 2016. Despite not originally wanting to take it too far, I continued working on it for fun when I can. Dump and restore account save data. Dump and restore device saves shared by all users (Games such as Animal Crossing). Dump and restore BCAT Data. Dump and restore cache Saves. Dump system save data. Dumping this data is always enabled, but writing back needs to be enabled from the options menu. Writing to...
    Downloads: 27 This Week
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  • 16
    TauCeti Classic

    TauCeti Classic

    Frankenstein lived

    TauCetiClassic is an open source fork of Space Station 13 maintained by the Tau Ceti Station community. It builds upon the original SS13 codebase, offering a distinct roleplay-focused experience with custom mechanics, sprites, and maps. The repository includes the full game source, assets, and build scripts necessary to host servers and contribute to development. TauCetiClassic emphasizes immersive roleplay scenarios, detailed station environments, and unique content compared to other SS13...
    Downloads: 5 This Week
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  • 17
    Impostor

    Impostor

    An open source reimplementation of the Among Us Server

    Impostor is an open source reimplementation of the Among Us Server, written in C#. It is among the first Among Us private servers with support for Steam, Itch, Android and iOS. It is a full replacement of the game's official server, so you can expect all of the game's features to be included, and the same fun playing experience. The difference of course is that you get to play on a private and secure server.
    Downloads: 5 This Week
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  • 18
    Moonlight-Switch

    Moonlight-Switch

    Moonlight port for Nintendo Switch

    Moonlight-Switch is a port of Moonlight Game Streaming Project for Nintendo Switch. With a touch screen, you can move your cursor, tap to left click, and scroll 2 fingers to scroll. While touching the screen ZR and ZL buttons will work like left and right mouse buttons. Also While touching the screen L and R sticks will work like a scrolling wheel. By default, the Switch gamepad is configured as an X360 gamepad (A/B and X/Y swapped). Key mapping is available in application settings. Up to 5...
    Downloads: 13 This Week
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  • 19
    DeSmuME

    DeSmuME

    DeSmuME is a Nintendo DS emulator

    In this version we have added support for high-resolution 3D rendering. Try the new “GPU Scaling Factor” feature to increase the 3D resolution beyond the native resolution of 256×192 pixels. Also, the Cocoa frontend sees continued radical enhancements and while the Windows frontend sees some new incremental enhancements. DeSmuME is a very CPU demanding app. While many users will see DeSmuME as a toy (and use it as such), it is actually a very sophisticated piece of software with lots of...
    Downloads: 18 This Week
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  • 20
    OpenTTD

    OpenTTD

    Open source simulation game based on Transport Tycoon Deluxe

    OpenTTD is an open source transport simulation game based on the popular game Transport Tycoon Deluxe by Chris Sawyer, with several additions. OpenTTD is as close to the original as you can get, but has been extended with plenty of great features. These include bigger maps (up to 64 times bigger than the original), stable multiplayer mode that allows for up to 255 players in 15 companies, in-game downloading of heightmaps, AIs, scenarios, and so much more. With its many additions and...
    Downloads: 17 This Week
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  • 21
    VCMI Project

    VCMI Project

    Open-source engine for Heroes of Might and Magic III

    VCMI is work-in-progress attempt to recreate engine for Heroes III, giving it new and extended possibilities. To use VCMI you need to own original data files.
    Downloads: 6 This Week
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  • 22
    Switch theme injector

    Switch theme injector

    Create custom themes for the Nintendo Switch

    The Switch theme injector project is split into three parts. Switch theme injector (Windows app): An app to create and edit custom themes. NXThemes installer: An homebrew app that runs on the switch itself and can be used to install and manage themes. Switch theme injector online (also called WebInjector): A port of the Windows injector as a web app, it lacks some features like custom applet icons and common.szs layouts support. The main objective is to develop a complete toolset to create...
    Downloads: 8 This Week
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  • 23
    Thrive

    Thrive

    The main repository for the development of the evolution game Thrive

    Thrive is a free, open-source game about the evolution of life. From the lowly tidepools of your home planet, you will rise to cosmic dominance. At every step, powerful creation tools and deep simulation mechanics will aid your species’ development. Revolutionary Games is the open-source team of dedicated volunteers aiming to make Thrive a reality. Our team seeks to accomplish two major goals: create engaging, compelling gameplay that respects our players’ intelligence, and remain as...
    Downloads: 23 This Week
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  • 24
    UZDoom

    UZDoom

    UZDoom is a feature centric port for all Doom engine games

    UZDoom is a modern, feature-focused source port of the classic DOOM engine that builds upon the foundations of GZDoom while introducing additional rendering enhancements and extended scripting capabilities. It is designed to run a wide range of DOOM-engine games while significantly improving visual fidelity through high-resolution graphics, dynamic lighting, and advanced rendering pipelines. The engine incorporates modern technologies such as OpenGL and Vulkan to provide better performance...
    Downloads: 11 This Week
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  • 25
    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: 1 This Week
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