Showing 510 open source projects for "system game"

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  • 1
    hekate

    hekate

    A GUI based Nintendo Switch Bootloader

    hekate is a custom graphical bootloader for the Nintendo Switch that enables advanced system control, firmware patching, and multi-environment boot management for both official and custom operating systems. It functions as a powerful entry point for launching different firmware configurations, including stock firmware, custom firmware, Linux distributions, and Android builds, all from a unified interface. The bootloader features a touchscreen-enabled graphical user interface called Nyx,...
    Downloads: 153 This Week
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  • 2
    Luma3DS

    Luma3DS

    Noob-proof (N)3DS Custom Firmware

    Luma3DS is a program to patch the system software of (New) Nintendo (2)3DS handheld consoles "on the fly", adding features such as per-game language settings, debugging capabilities for developers, and removing restrictions enforced by Nintendo such as the region lock. It also allows you to run unauthorized ("homebrew") content by removing signature checks. To use it, you will need a console capable of running homebrew software on the Arm9 processor.
    Downloads: 81 This Week
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  • 3
    Provenance

    Provenance

    An iOS & tvOS Frontend for Multiple Emulators

    Provenance is an iOS & tvOS frontend for various emulators, supporting multiple Atari, Bandai, NEC, Nintendo, Sega, SNK and Sony console systems. It offers smooth and accurate, full-speed emulation to give you an awesome and genuine playing experience. Provenance is built with a host of awesome features, such as save anywhere and battery saves, controller support, automatic ROM matching and ROM customizations, and many more. Provenance supports a great number of console systems, with more...
    Downloads: 4 This Week
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  • 4
    Torque2D

    Torque2D

    A completely free, open-source, 2D game engine

    Torque2D is a free and open-source game engine focused on 2D development, built on proven Torque technology and provided under the MIT license. It delivers a flexible and high-performance C++ framework that supports cross-platform development for Windows, macOS, Linux, iOS, Android, and the web from a single codebase, allowing developers to target a broad range of devices with minimal changes. The engine includes essential components such as a batched OpenGL renderer, Box2D physics...
    Downloads: 1 This Week
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  • 5
    OpenKore

    OpenKore

    A free/open source client and automation tool for Ragnarok Online

    OpenKore is a free and open source automation tool and custom client for the online game Ragnarok Online. It provides a flexible scripting system that allows users to automate gameplay, including navigation, combat, trading, and interaction with other players. The project supports plugins and modular extensions, enabling customization for different servers and play styles. OpenKore is cross-platform, running on Windows, Linux, and macOS, and is written primarily in Perl. ...
    Downloads: 6 This Week
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  • 6
    ioquake3

    ioquake3

    The ioquake3 community effort to continue supporting/developing id's

    ioquake3 is a free and open source first-person shooter engine derived from the Quake 3: Arena and Quake 3: Team Arena source code, maintained as a modern baseline engine for new games and classic mods. It is designed to let players run Quake 3, its expansion Team Arena, and community mods on contemporary systems while also serving as a solid base for new projects. The engine modernizes the original codebase with a CMake build system, an SDL2 backend for cross-platform windowing and input,...
    Downloads: 11 This Week
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  • 7
    Gideros

    Gideros

    Gideros Release version

    Gideros is a cross-platform development environment for creating amazing games and interactive applications in 2D or 3D. It is easy to pick up, quick to develop, and robust to deploy. Code your game once and deploy it to Android, iOS, MacOS, tvOS, Windows, HTML 5, and more. Apart from supporting multiple platforms, Gideros also provides automatic screen scaling and automatic selection of proper image resolution, which makes supporting different screen resolutions, aspect ratios, and...
    Downloads: 1 This Week
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  • 8
    Taisei Project

    Taisei Project

    A free and open-source Touhou Project fangame

    Taisei is a free, open-source clone of the Touhou Project bullet hell shoot-'em-up games, written entirely from scratch. It aims to be a faithful recreation of the classic Touhou gameplay experience, complete with original assets that capture the aesthetics and charm of the original series. Built using portable and modern tools, it runs across platforms including Linux, Windows, macOS, and even web browsers via WebGL. The game is designed with accessibility and modding in mind, making it an...
    Downloads: 3 This Week
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  • 9
    Crossfire RPG game

    Crossfire RPG game

    Cooperative multiplayer graphical RPG and adventure game

    Crossfire is a free and open-source cooperative multiplayer graphical RPG and adventure game. Set in a medieval fantasy world, it combines real-time action with traditional role-playing mechanics inspired by games such as Gauntlet, NetHack, Moria, and Angband. Players can choose from 14 races and 16 character classes, develop skills and magic, worship gods, complete quests, discover powerful artifacts, and explore thousands of interconnected maps filled with monsters, dungeons, cities, and...
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    Downloads: 53 This Week
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  • 10

    NBT File System Utilities

    Inspecting and manipulating NBT as a file system

    Named Binary Tag (NBT) is a binary format designed for and used by the game Minecraft to store various data including worlds, player data and many other things. This project provides a way to access those data by simply mounting the corresponding data file as a file system, then reading and writing any value as usual file system nodes. By combining with standard Unix file operation tools, batch editing or copying massive amount of data is very easy, comparing to other generic NBT editing tools. ...
    Downloads: 5 This Week
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  • 11

    The Clans BBS Door Game

    InterBBS medieval door game

    The Clans was a popular game written for online BBSes back in the day of their great popularity. It is a text-based game featuring inter-BBS communications. It was written initially for Turbo C++, but has been ported to gcc and MSVC
    Downloads: 4 This Week
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  • 12
    Cryptic Allusion Dreamcast-related development: KallistiOS, Ghetto Pong, etc.
    Downloads: 7 This Week
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  • 13

    Corewar

    Write programs in assembly that battle each other in Corewar

    Corewar is a game played vicariously through the action of assembly language programs written in a language called Redcode. Corewar is discussed on discord at https://discord.gg/YxrbaQDT9z and on reddit at https://www.reddit.com/r/corewar/ The reference implementation of this game, pMARS, was originally maintained here. Development has moved to https://github.com/pmars-org but we will continue to post releases here.
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    Downloads: 66 This Week
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  • 14
    RagnarokGeneral

    RagnarokGeneral

    Turn-based strategy game inspired by Viking Gods board game

    RagnarokGeneral is a turn-based strategy game that aims to be digital version of board game 'Viking Gods' [1], in Poland known as 'Bogowie Wikingów' [2]. The code of the game is a fork of other computer game - LGeneral [3], which open-source license allowed to modify/extend the code quickly and let RagnarokGeneral to be born. [1] https://boardgamegeek.com/boardgame/2483/viking-gods [2]...
    Downloads: 3 This Week
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  • 15
    RetroGear

    RetroGear

    SDL based generic 2D game engine

    RetroGear is a generic 2D game engine, designed for the simple and fast retro games development, like those of the 80s. The project aims to create generic components for rapid development of 2D games, based on the most common practices of game programming and design known, giving in the hands of the programmer, standard components and easy to integrate with their own projects. Some of the features offered by this game engine are: A basic but pratical game states management (screen...
    Downloads: 1 This Week
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  • 16
    Sokoban RK

    Sokoban RK

    Cross-platform version of the classic puzzle game "Sokoban"

    This is a cross-platform version of the classic puzzle game "Sokoban". You are a worker in a warehouse, and your goal is to push all boxes to the target locations. You can only push the boxes, but you cannot pull them. All 50 levels of the original game are included, the levels.h file also contains 40 extra levels that can optionally be used when compiling the game. Currently, 57 target systems are supported, including the Sinclair ZX Spectrum, MSX, Sega Master System, and many more. 2025-10-20: - New target supported: Casio FP-1100
    Downloads: 2 This Week
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  • 17
    QuakeForge
    QuakeForge is a set of 3D graphics game engines based on id Software's legendary Quake series of game engines. Our purpose? To improve the state of the game by improving the engines and making them accessible to as many people as we can.
    Downloads: 11 This Week
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  • 18
    99 Nights In The Forest Script [Keyless]

    99 Nights In The Forest Script [Keyless]

    99 Nights Script Keyless: Kill Aura, Auto Combat, Auto Craft, & more.

    This is Keyless Script work Only 99 Nights in The Forest Roblox Game. We tested the script using Xeno Executor, and it works perfectly. Therefore, for your convenience, the script comes with an injector that is perfectly suited for it. In this case, it is Xeno. In addition, this script does not require a key, so you can use it without any problems.
    Downloads: 0 This Week
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  • 19
    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.
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    Downloads: 137 This Week
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  • 20
    Deepspace

    Deepspace

    A simple action game for various Z80 computers

    This is a remake of a type-in game that I played in the 1980s on a friend's Atari 800XL. Your spaceship is trapped inside a force field. Try to reach the fuel station before you run out of fuel, but avoid the deadly rocks. Currently, 64 target systems are supported, including the Sinclair ZX Spectrum, MSX, Sega Master System, and many more. 2026-10-05: - New targets supported: NorthStar Advantage Tesla PMD 85
    Downloads: 3 This Week
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  • 21

    Sylverant

    An open-source Phantasy Star Online server for *nix

    Sylverant is an open-source server for the Phantasy Star Online series of games by Sega, written primarily for Unix-like operating systems. Sylverant has at least partial support for most versions of Phantasy Star Online, from the Network Trial for the Dreamcast through Blue Burst for Windows.
    Downloads: 12 This Week
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  • 22
    NetHack
    NetHack is a popular single player dungeon exploration game that runs on a wide variety of computer systems.
    Downloads: 64 This Week
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  • 23
    FCEUX11

    FCEUX11

    Accurate NES / Famicom emulation, experimental GBA (Beta) support.

    ...It inherits FCEUX's renowned emulation accuracy while delivering a polished, modern Windows-native experience powered by Qt6, with 12-language localization and a full suite of debugging and TAS tools for developers and speedrunners. Ongoing internal refactoring and performance optimization keeps the emulator efficient, smooth, and stable even under heavy load. Experimental Game Boy Advance (GBA) emulation support has been added, reusing the existing UI, save-state system, hotkeys and debugging infrastructure; GBA features are in Beta, the picture carries a watermark, and some hardware features are not yet fully implemented.
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    Downloads: 24 This Week
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  • 24
    Hoverball and HoverWare

    Hoverball and HoverWare

    3D Multiplayer Hover Soccer

    3D multiplayer realtime game with separately packaged 3D graphics middleware layer built on OpenGL. Runs on Linux, Win32, Mac OSX, Android - OpenGL/GLES 2.0 or later required
    Downloads: 1 This Week
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  • 25
    QuakeIIxp is a multi-platform (windows, linux and freeBSD (experemental)) graphics port of the game Quake II developed by Id Software. Completely updated rendering takes full advantage of the latest graphics cards to get the perfect picture, preserving the original style of the game.
    Downloads: 5 This Week
    Last Update:
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