Showing 412 open source projects for "online multiplayer"

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  • 1
    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: 11 This Week
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  • 2
    Multi Theft Auto: San Andreas

    Multi Theft Auto: San Andreas

    Multi Theft Auto is a game engine

    ... functions as a game engine that installs itself as an extension of the original game, adding core functionality such as networking and GUI rendering while exposing the original game's engine functionality through a scripting language. Originally founded back in early 2003 as an experimental piece of C/C++ software, Multi Theft Auto has since grown into an advanced multiplayer platform for gamers and third-party developers.
    Downloads: 22 This Week
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  • 3
    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. Local server...
    Downloads: 6 This Week
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  • 4
    OpenRA

    OpenRA

    Real Time Strategy game engine supporting early Westwood classics

    ...: 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: 4 This Week
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  • 5
    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: 1 This Week
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  • 6
    OpenRA Game Engine

    OpenRA Game Engine

    Open Source real-time strategy game engine for early Westwood games

    Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X. Updated gameplay designed around modern features like attack-move, unit veterancy, and the fog of war. Online play with full support for mods and custom maps. Updated campaigns with new objectives and difficulties. Natively supported on Windows, macOS and Linux. Fully open source and developed in the open...
    Downloads: 1 This Week
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  • 7
    quadplay

    quadplay

    The quadplay fantasy console

    ... players with virtual controls for D-pad and eight buttons. Local and safe online multiplayer. Supports Xbox, Playstation, SNES, Stadia, Switch, 8bitdo, touch screen, and other controllers. Hundreds of built-in sprites, sounds, and fonts. Program in PyxlScript, a friendly Python-like language. Order-independent, 4-bit alpha transparency. Native 2.5D graphics with z-order.
    Downloads: 1 This Week
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  • 8
    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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  • 9
    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 join...
    Downloads: 0 This Week
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  • 10
    Centrifuge

    Centrifuge

    Real-time messaging library for Go with scalability in mind

    ... interactive applications where events are delivered to online users with minimal delay. Chats apps, live comments, multiplayer games, real-time data visualizations, collaborative tools, etc. can all be built on top of Centrifuge library. The library is built on top of efficient client-server protocol schema and exposes various real-time oriented primitives for a developer.
    Downloads: 0 This Week
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  • 11
    Scorched Earth Online War

    Scorched Earth Online War

    Online War system for IL-2 Sturmovik and Iron Front in ArmA 2

    SEOW is a dynamic multiplayer campaign system for running on-line wars using the IL-2 combat simulator together with Iron Front in ArmA 2. SEOW is a free add-on for IL-2 and Iron Front in ArmA 2 released under the GNU Public Licence. For an install of SEOW, you need the MP, the DB and the DCS, 3 downloads in total. Check out the Files tab above for direct downloads.
    Downloads: 0 This Week
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  • 12
    Battle for Wesnoth

    Battle for Wesnoth

    A strategy game with a high fantasy theme

    The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of other adventures.
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    Downloads: 1,107 This Week
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  • 13
    Odamex

    Odamex

    Odamex is a free, cross-platform, modern client-server Doom engine

    Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online. The goal of Odamex is to add enhancements to Doom while still retaining that "classic Doom feel" we all know and love about the original game.
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    Downloads: 192 This Week
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  • 14
    Domination (Risk Board Game)

    Domination (Risk Board Game)

    Domination is a game that is a bit like the board game Risk

    Domination is a game that is a bit like the well known board game of Risk or RisiKo. It has many game options and includes many maps. Written in java it includes a map editor, a simple map format, multiplayer network play, single player, hotseat, 5 user interfaces and many more features, it works in all OSs that run java 1.5 or higher, iOS and Android.
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    Downloads: 134 This Week
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  • 15
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands...
    Downloads: 101 This Week
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  • 16
    Linux Air Combat

    Linux Air Combat

    Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.

    WW2 Combat Flight Simulator. Free. Current Version: 9.75. This is now the world's leading open-source combat flight sim for LINUX. Linux Air Combat ("LAC") was derived from the classic "gl-117" game, after a huge re-write to create a far more realistic plane simulator. LAC runs on almost any desktop LINUX system (even Steam Deck & Raspberry Pi) and generates smooth, high-performance flight. Clean, open source code provides an easy option to compile it yourself, or use our...
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    Downloads: 91 This Week
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  • 17
    LandsDiscordBot

    LandsDiscordBot

    Adds Discord Functionality to Lands.

    This plugin adds Discord functionality to the spigot plugin Lands. It allows land owners to create a channel for their land so they can chat from Discord with their land members online at the Minecraft server. Also you can view top lands in Discord, receive land and war notifications and more to come.
    Downloads: 20 This Week
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  • 18
    Galaxy Forces V2

    Galaxy Forces V2

    A 2D multiplayer space shooter game

    A 2D multiplayer space shooter, inspired by the Amiga classic Gravity Force. Play race, mission or dogfight. Single player, with friends or against AI. There are 50+ levels and a map-editor included. Global hi-score and achievements with replays on the website. The game plays on Windows, Linux and Mac.
    Downloads: 5 This Week
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  • 19
    Znes Nintendo Emulator

    Znes Nintendo Emulator

    Experience flawless Nintendo gaming with Znes Emulator

    Znes Nintendo Emulator is a long-standing, it's an emulator that caters to a wide range of users, from hackers and speedrunners to YouTubers and casual gamers. The Windows version is packed with features, it's a simple product that works pretty fine, including multiplayer online!
    Downloads: 7 This Week
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  • 20
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 1 This Week
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  • 21
    Battle For Wesnoth - ARM64 Debian Build

    Battle For Wesnoth - ARM64 Debian Build

    ARM64 Debian (especially for the Raspberry PI) build of BFW.

    ... both singleplayer and online/hotseat multiplayer combat. Explore the world of Wesnoth and take part in its many adventures! Embark on a desperate quest to reclaim your rightful throne… Flee the Lich Lords to a new home across the sea… Delve into the darkest depths of the earth to craft a jewel of fire itself… Defend your kingdom against the ravaging hordes of a foul necromancer… Or lead a straggly band of survivors across the blazing sands to confront an unseen evil. The choice is up to you…
    Downloads: 1 This Week
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  • 22
    XSwing Plus

    XSwing Plus

    Classic arcade game remake of Swing Plus -Total Mindcontrol

    XSwing Plus is a free remake of the arcade game Swing Plus -Total Mind Control. It's written in Java an will run on Windows, Linux & Mac. When it's done, the easy, fast, clever and addictive game play will be back in single & multi player mode. The Project is moved to 👉 https://github.com/TobseF/XSwing-Plus
    Downloads: 1 This Week
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  • 23
    DreamPi NOOBS

    DreamPi NOOBS

    PINN/NOOBS compatible linux distro of DreamPi for the Sega Dreamcast

    A deluxe PINN/NOOBS-compatible linux distro image of DreamPi for the Sega Dreamcast. Also supports Sega Saturn Netlink/modem online support. Meant for Raspberry Pi SBCs. More details about this NOOBS-compatible distro image available at the official webpage (www.eaglesoftltd.com/retro/dc/dreampi-noobs).
    Downloads: 0 This Week
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  • 24
    XBandPi NOOBS

    XBandPi NOOBS

    PINN/NOOBS linux distro of XBandPi (XBand modem)

    A PINN/NOOBS-compatible linux distro image of XBandPi for the XBand modems (Sega Genesis, SNES/SFC). Meant for Raspberry Pi SBCs. More details about this NOOBS-compatible distro image available at the official webpage (https://www.eaglesoftltd.com/retro/genesis/xbandpi-noobs).
    Downloads: 0 This Week
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  • 25
    MirageVB6

    MirageVB6

    Visual Basic 6 2D online adventure game engine

    Welcome to MirageVB6. --------------------------- This version of Mirage Source is a continuation from Mirage Source 5. This new release includes support for SQLite, SHA256 password hashing, and control pad support for moving, attacking, and picking up items.
    Downloads: 0 This Week
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