Search Results for "online games"
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Showing 1519 open source projects for "online games"
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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... -
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Pokémon Showdown is a Pokémon battle simulator. Play Pokémon battles online! Play with randomly generated teams, or build your own! Fully animated!
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OpenRA
Real Time Strategy game engine supporting early Westwood classics
OpenRA is a free and open source real-time strategy game engine for early Westwood games like Command & Conquer: Red Alert. It is not just a clone of the original but is a recreation, with improved and rebalanced gameplay that modernizes the classic Command & Conquer strategy games. It provides a common platform for rebuilding and reimagining classic 2D and 2.5D RTS games (the OpenRA mods). 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. -
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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... -
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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. And welcome to be the next user. For Linux, install autoconf first for jemalloc. For FreeBSD , use gmake instead of make.... -
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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. With a strong... -
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ClassicUO
An open source implementation of the Ultima Online Classic Client
ClassicUO is an open-source, modern client for Ultima Online, a beloved MMORPG originally released in the late 1990s. Designed as a drop-in replacement for outdated clients, ClassicUO supports high performance, modding, and quality-of-life improvements while preserving the game's core look and mechanics. It’s built using .NET Core and runs cross-platform, offering smoother input, faster rendering, and extensibility for private servers. The project is community-driven and continues to evolve... -
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NitroType Cheat v2
An easy-to-use, working NitroType hack for typing at insane speeds!
...It demonstrates how client-side input manipulation can influence outcomes in browser-based games that rely on user input validation. While it provides a clear advantage in gameplay, it also highlights potential vulnerabilities in systems that do not enforce strict server-side validation of user actions. The tool is primarily intended for experimentation or demonstration rather than legitimate competitive use. -
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FMHY
The largest collection of free stuff on the internet
FMHY is a large, community-driven open-source repository that functions as a curated directory of free online resources, tools, and platforms across a wide range of categories including media, software, education, and development. Rather than being a traditional software application, it acts as a structured knowledge base that organizes thousands of links into easily navigable sections such as movies, music, books, games, and developer tools. -
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chess-tui
Play chess from your terminal
chess-tui is a terminal-based chess application that lets you play chess directly from your command-line interface with a rich set of features normally found in graphical clients. It supports local two-player games as well as playing against any UCI-compatible chess engine, giving users flexibility to challenge engines like Stockfish or GNU Chess. For online play, it integrates with Lichess, enabling authentic multiplayer games and token-based account connections from within the terminal environment. The application also includes customization options such as different board skins and helper menus to assist players with move entry or engine configuration. ... -
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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... -
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quadplay
The quadplay fantasy console
quadplay✜ is a fantasy console by CasualEffects for creating and playing retro-style video games on any device. Create and play games on any laptop, desktop, tablet, or phone. Or, build your own programmable arcade machine from a Raspberry Pi, Tegra, or old computer. Create games on Windows, macOS, Linux. Play your games in any modern web browser on a laptop, desktop, tablet, phone, Raspberry Pi 4, or Jetson Nano. 60 fps @ 384 x 224 pixels = 12:7 aspect ≈ 16:9.3. 4096 sRGB (4:4:4) colors. ... -
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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... -
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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. -
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DeepSea
The new All-in-One CFW package for the Nintendo Switch
...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 those features (press L1+DpadDown+RightStick). -
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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... -
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Flycast
Flycast is a multiplatform Sega Dreamcast, Naomi, Naomi 2
Flycast is a high-performance open-source emulator for Sega Dreamcast, Naomi, and Atomiswave systems, designed to accurately reproduce the behavior of original hardware while enabling modern enhancements. It supports a wide range of platforms including desktop and mobile environments, allowing users to run classic games across different devices. The emulator focuses on both accuracy and performance, using optimized rendering techniques to replicate original visuals while offering optional enhancements such as higher resolutions and improved textures. It includes support for online multiplayer, save states, and various input devices, making it more flexible than original hardware. ... -
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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. -
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Mudlet
Cross-platform, open source, and super fast MUD client with scripting
...Mudlet is completely free to download, modify, and extend. Build on top of a powerful foundation and join us in making MUDing awesome. Mudlet includes customization for various MUD games and can play many more MUDs than those listed. We’re always ready to add more games to the list. Mudlet offers excellent help for players in the 400-600 people online Discord channel. Similarly, its scripting design is carefully thought out to be simple, and intuitive, yet powerful to use. This combination makes Mudlet a lot easier to get started with. -
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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. -
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Gradient Bang
Gradient Bang is an online multiplayer universe
Gradient Bang is an experimental open-source project developed within the Pipecat ecosystem that reimagines AI interaction as a persistent, multiplayer simulation where users and large language models coexist inside a shared virtual environment. Rather than functioning as a traditional application or API, it is conceptualized as an “online multiplayer universe” in which participants can explore, trade, battle, and collaborate while interacting with AI agents as active entities within the... -
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AzerothCore
Complete Open Source and Modular solution for MMO
AzerothCore is a fully open-source MMORPG server framework designed to recreate the gameplay experience of World of Warcraft’s Wrath of the Lich King expansion in a customizable and self-hosted environment. It is written primarily in C++ and provides a complete backend infrastructure for running private game servers, including world simulation, player interaction, combat systems, and database-driven content. The project is highly modular, allowing developers to extend or modify game behavior... -
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preserve-cd
Game Preservation Project
This project is a game preservation initiative focused on classic and nearly “lost” titles that are disappearing from the modern internet. It curates a small but carefully selected collection of DOS games and classic mini-games into CD-sized ISO images, rather than overwhelming users with gigantic, unorganized archives. One disc collects 64 high-quality DOS classics, many of which are now hard to find or are often bundled with malware when downloaded from random sites. 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. ... -
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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... -
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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...
