Showing 1076 open source projects for "game online"

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  • 1
    OpenRA

    OpenRA

    Real Time Strategy game engine supporting early Westwood classics

    ...This means that OpenRA is not restricted by the technical limitations of the original closed-source games: it includes native support for modern operating systems and screen resolutions (including Windows 10, Mac OS X, and most Linux distros) without relying on emulation or binary hacks, and features integrated online multiplayer.
    Downloads: 34 This Week
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  • 2
    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: 28 This Week
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  • 3
    Skynet

    Skynet

    A lightweight online game framework

    Skynet is a lightweight online game framework which can be used in many other fields. Skynet is a lightweight framework designed for online game servers. Although from the feedback of the Community , it's not limited as a game server framework. On the Uses page, it shows a few projects that have used or currently using Skynet, but there are way more projects than listed.
    Downloads: 0 This Week
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  • 4
    Multi Theft Auto: San Andreas

    Multi Theft Auto: San Andreas

    Multi Theft Auto is a game engine

    Multi Theft Auto (MTA) is a software project that adds network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found. It is a unique modification that incorporates an extendable network play element into a proprietary commercial single-player PC game. Multi Theft Auto is based on code injection and hooking techniques whereby the game is manipulated without altering any original files supplied with the game. The software...
    Downloads: 54 This Week
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  • 5
    YimMenu

    YimMenu

    YimMenu, a GTA V menu protecting against a wide ranges

    YimMenu is an open-source modification menu for Grand Theft Auto V designed to enhance gameplay while providing protection against common crashes and disruptions encountered in online sessions. It operates as an injected module that interacts directly with the game engine, allowing users to access a wide range of in-game controls and customization options through an overlay interface. One of its primary goals is stability, offering safeguards against malicious or unstable interactions that can occur in multiplayer environments. ...
    Downloads: 0 This Week
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  • 6
    vyper

    vyper

    Pythonic Smart Contract Language for the EVM

    ...See Tools and Resources for an additional list of framework and tools with vyper support. See Documentation for the documentation and overall design goals of the Vyper language. See Learn.Vyperlang.org for learning Vyper by building a Pokémon game. See try.vyperlang.org to use Vyper in a hosted jupyter environment! There is also an online compiler available you can use to experiment with the language and compile to bytecode and/or IR. While the vyper version of the online compiler is updated on a regular basis it might be a bit behind the latest version found in the master branch of this repository.
    Downloads: 0 This Week
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  • 7
    DeepSea

    DeepSea

    The new All-in-One CFW package for the Nintendo Switch

    The new All-in-One CFW package for the Nintendo Switch. Background FTP server for filetransfers. Install NSP, NSZ, XCI & XCZ files from Harddrive, Google Drive, WLAN or wired through PC, Smartphone, etc. Over & underclocking. Update OFW & CFW through homebrew. Find new homebrew through the Appstore. Savegame management. Cheating in games (please don't cheat online) Emulate Amiibo. Use all kinds of 3rd party controllers. Lan play (like Hamachi for your Switch) Tesla overlay to control all...
    Downloads: 18 This Week
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  • 8
    XMage

    XMage

    Magic Another Game Engine

    XMage allows you to play Magic against one or more online players or computer opponents. It includes full rules enforcement for over 20 000 unique cards and more than 50.000 reprints from different editions. You can also find custom sets like Star Wars. All regular sets have nearly all implemented cards. It supports single matches and tournaments with dozens game modes like duel, multiplayer, standard, modern, commander, pauper, oathbreaker, historic, freeform and much more. ...
    Downloads: 3 This Week
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  • 9
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 4 This Week
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  • 10
    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.
    Downloads: 10 This Week
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  • 11
    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!
    Downloads: 0 This Week
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  • 12
    preserve-cd

    preserve-cd

    Game Preservation Project

    ...Another disc compiles around a hundred simple, highly replayable Windows and Flash mini-games that are easy to pick up and play without online services or microtransactions. Each game is documented with screenshots and written descriptions including publisher, developer, genre, and a short summary to preserve context and nostalgia, not just the files. The repository also lists multiple mirror links and MD5 checksums so people can verify integrity and avoid corrupted or tampered images.
    Downloads: 0 This Week
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  • 13
    Unciv

    Unciv

    Open-source Android/Desktop remake of Civ V

    Unciv is an open-source reimplementation of the game Civilization V in Java using LibGDX. It focuses on replicating the core gameplay mechanics in a lightweight, mobile- and desktop-friendly format, supporting both single-player and multiplayer modes. Unciv uses a minimalist art style and text-based UI to deliver a fast, turn-based strategy experience.
    Downloads: 17 This Week
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  • 14
    Matchbox

    Matchbox

    Painless peer-to-peer WebRTC networking for rust wasm

    Matchbox is a WebRTC-based networking library for the Bevy game engine, enabling multiplayer games to run in the browser or native environments with peer-to-peer communication. It handles matchmaking, NAT traversal, and synchronization in real-time, making it easier for game developers to add fast and scalable multiplayer features. Designed with simplicity and performance in mind, Matchbox supports both WebAssembly and desktop targets. It’s especially useful for browser-based games that need...
    Downloads: 0 This Week
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  • 15
    Ruthnar Online

    Ruthnar Online

    Free Online MMORPG with Battlegrounds

    Ruthnar Online is a free sandbox 2D MMORPG where you can face powerful creatures to develop your character in an open medieval fantasy world and craft your own equipment with eight diferent professions. The game also features guild wars and four different factions, join one of them to defend it and raid enemy cities. Finally, when you get strong enough you'll be able to fight in the BattleGrounds: Stronghold Conquests, Combat Arenas, Survival/Battle Royale, Leagues, Tournaments and more.
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    Downloads: 13 This Week
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  • 16
    Libplanet

    Libplanet

    Blockchain in C#/.NET for on-chain, decentralized gaming

    Libplanet is a .NET library for creating multiplayer online game in decentralized fashion, which means the whole gameplay occurs on a peer-to-peer network among equal nodes rather than an authorized central server. Under the hood, it incorporates many features (e.g., digital signature, BFT consensus, data replication) of a blockchain.
    Downloads: 0 This Week
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  • 17
    Fish Folk: Jumpy

    Fish Folk: Jumpy

    Tactical 2D shooter in fishy pixels style. Made with Rust-lang

    Fish Folk: Jumpy is a tactical 2D shooter, played by up to 4 players online or on a shared screen. Aim either left or right; the rest is up to clever movement and positioning in this fish-on-fish brawler. Jumpy runs in the browser. You can play a web demo to try out the game, without needing to install anything on your computer. We recommend using the Chrome browser or other derivatives for best performance, or if you have issues with other browsers.
    Downloads: 0 This Week
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  • 18
    Evennia

    Evennia

    Python MUD/MUX/MUSH/MU* development system

    Evennia is a mature, open-source framework written in Python — specifically designed to build text-based, online multiplayer games such as MUDs, MUCKs, MUSHes, MUXes, and other “MU-style” virtual worlds. Rather than prescribing a rigid game structure, Evennia gives you a bare-bones but powerful foundation: default systems handle networking, database/storage, server management, user accounts, characters, rooms, items, chat channels, and basic commands — but you define the gameplay rules, content, and game logic yourself in pure Python modules. ...
    Downloads: 0 This Week
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  • 19
    NitroType Cheat v2

    NitroType Cheat v2

    An easy-to-use, working NitroType hack for typing at insane speeds!

    NitroType Cheat v2 is a browser-based or script-driven tool designed to automate typing performance in the Nitro Type online racing game by simulating extremely high typing speeds and accuracy. It works by intercepting or generating input events that mimic rapid and precise keystrokes, allowing users to achieve unrealistically high words-per-minute scores. The project is built for ease of use, often requiring minimal setup or configuration to begin automating gameplay. ...
    Downloads: 0 This Week
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  • 20
    KeeperRL

    KeeperRL

    A downloadable game for Windows, macOS, and Linux

    KeeperRL is an ambitious dungeon builder with roguelike elements. Take the role of an evil wizard and seek the ultimate knowledge of destruction. Explore the world, murder innocent villagers and burn their homes. Build your dungeon, lay traps and prepare for an assault of angry heroes. When you control your minions the game becomes a classic roguelike, with turn-based and very tactical combat. You can also play as an adventurer and assault dungeons made by you or other players. You will dig...
    Downloads: 0 This Week
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  • 21
    microStudio

    microStudio

    Free, open source game engine online

    microStudio is a free, open source game engine online. It is also a platform to learn and practice programming. microStudio can be used for free. You can also install your own copy, to work locally or on your own server for your team or classroom. microStudio is available online, this is the simpler and the preferred way, you will have access to all the online collaboration features, online publishing, and more export features.
    Downloads: 5 This Week
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  • 22
    Mudlet

    Mudlet

    Cross-platform, open source, and super fast MUD client with scripting

    Play immersive, multiplayer, pure-text games on Mudlet. Performance defined Mudlet from its birth. The custom text display and the Lua-powered scripting system will handle the biggest raids without issues. Mudlet’s entire user interface is designed to be modded – from the space within the window to the look and feel of the client itself. Make yourself a beautiful portal to your text world. Mudlet is completely free to download, modify, and extend. Build on top of a powerful foundation and...
    Downloads: 1 This Week
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  • 23
    Sunfish

    Sunfish

    Sunfish: a Python Chess Engine in 111 lines of code

    sunfish is a minimalist yet surprisingly strong chess engine written in Python, designed to demonstrate how powerful algorithms can be implemented in a highly compact codebase. Despite being only around a hundred lines of core logic, the engine achieves competitive performance, reaching ratings above 2000 on online platforms. It implements classic chess engine techniques such as alpha-beta pruning and efficient board representation while maintaining readability and simplicity. The project is often used as an educational tool for understanding game AI, search algorithms, and evaluation functions without the complexity of larger engines. It includes a simple UCI-compatible interface, allowing it to be integrated with graphical chess interfaces or used in terminal-based gameplay. ...
    Downloads: 4 This Week
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  • 24
    Basic Computer Games

    Basic Computer Games

    An updated version of the classic "Basic Computer Games" book

    Basic Computer Games is a modern revitalization of the classic “Basic Computer Games” book’s collection of games, ported and expanded into various modern, memory-safe and scripting languages. It includes illustrative code examples of many classic games (e.g. Blackjack, Bowling) in multiple languages, with the goal of making the historical games accessible and educational in safe modern environments. Definitely use the most recent versions and features of the target language, but also try to...
    Downloads: 4 This Week
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  • 25
    Easings.net

    Easings.net

    Easing Functions Cheat Sheet

    Easings .net is a visualization and reference project dedicated to easing functions, which are widely used in animations and transitions to create natural motion. Instead of linear changes, easing functions help define how values accelerate or decelerate over time, resulting in smoother and more dynamic effects. The project provides a clear, interactive showcase of common easing equations such as quadratic, cubic, quartic, and elastic functions. It is a valuable resource for developers and...
    Downloads: 1 This Week
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