Browse free open source C# Multiplayer Games and projects below. Use the toggles on the left to filter open source C# Multiplayer Games by OS, license, language, programming language, and project status.

  • Skillfully - The future of skills based hiring Icon
    Skillfully - The future of skills based hiring

    Realistic Workplace Simulations that Show Applicant Skills in Action

    Skillfully transforms hiring through AI-powered skill simulations that show you how candidates actually perform before you hire them. Our platform helps companies cut through AI-generated resumes and rehearsed interviews by validating real capabilities in action. Through dynamic job specific simulations and skill-based assessments, companies like Bloomberg and McKinsey have cut screening time by 50% while dramatically improving hire quality.
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  • Inventory and Order Management Software for Multichannel Sellers Icon
    Inventory and Order Management Software for Multichannel Sellers

    Avoid stockouts, overselling, and losing control as your business grows.

    We are the most powerful inventory and order management platform for Amazon, Walmart, and multichannel product sellers. Centralize orders, product information, and fulfillment operations to run more efficiently, sell more products, and stay compliant with marketplace requirements so you can grow profitably.
    Learn More
  • 1
    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. Impostor has plugin support as well as a server-sided anticheat feature. You also have the option of playing on a server hosted by someone else.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 2
    2D isometric MMORPG using the SDL framework. Daimonin offers a free public server at https://www.daimonin.org . A Unity client is also in active development.
    Downloads: 12 This Week
    Last Update:
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  • 3

    coldev

    C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT

    + C/C++ and PHP projects, Python and Others + 3D ENGINES + Videogames Projects based in Bennugd http://www.bennugd.org Web Page https://coldev.sourceforge.io/
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    Downloads: 66 This Week
    Last Update:
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  • 4
    Manic Digger is a public domain 3d block-building game similar to Minecraft.
    Downloads: 8 This Week
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  • Simplify Purchasing For Your Business Icon
    Simplify Purchasing For Your Business

    Manage what you buy and how you buy it with Order.co, so you have control over your time and money spent.

    Simplify every aspect of buying for your business in Order.co. From sourcing products to scaling purchasing across locations to automating your AP and approvals workstreams, Order.co is the platform of choice for growing businesses.
    Learn More
  • 5
    Stars! Nova
    Stars! Nova is a clone of the classic 4X space strategy game Stars!. While nowhere near the functionality of Stars! quite a few features have been implemented so far. See the Nova web page for details.
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    Downloads: 7 This Week
    Last Update:
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  • 6
    Dark Orbit Bot

    Dark Orbit Bot

    Bot for online game Dark Orbit

    Dark Orbit Bot is currently not being developed due to lack of time. I recommend http://www.pbdo-bot.com Great bot over there! -jD
    Downloads: 9 This Week
    Last Update:
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  • 7
    MineCraft-Texture-Studio-2018
    MineCraft Texture Studio 2018 (1.12/1.12.1/1.12.2) is only for Minecraft 1.11.x/1.12.x Based on Minecraft Texture Studio 1.0.8 My Version is for Minecraft 1.11.x/1.12.x Visual Studio 2017 Framework 4.5 Windows : Vista/win7/win8/win10
    Downloads: 1 This Week
    Last Update:
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  • 8
    Downloads: 1 This Week
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  • 9
    The Silver Games Project is a collection of open source, multiplayer networked games being developed in Silverlight. All games are tied together with a common lobby server featuring a global ladder ranking system.
    Downloads: 1 This Week
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  • SoftCo: Enterprise Invoice and P2P Automation Software Icon
    SoftCo: Enterprise Invoice and P2P Automation Software

    For companies that process over 20,000 invoices per year

    SoftCo Accounts Payable Automation processes all PO and non-PO supplier invoices electronically from capture and matching through to invoice approval and query management. SoftCoAP delivers unparalleled touchless automation by embedding AI across matching, coding, routing, and exception handling to minimize the number of supplier invoices requiring manual intervention. The result is 89% processing savings, supported by a context-aware AI Assistant that helps users understand exceptions, answer questions, and take the right action faster.
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  • 10
    VDCraft

    VDCraft

    A Minecraft clone for 1.8.X multiplayer

    This is a Minecraft clone which can connect to 1.8-1.8.9 offline multiplayer servers. You can place and break blocks, chat, display your hand and hotbar. It supports up to 8x antialiasing and some rough lighting. Leaves look like the Minecraft "Fancy" graphic setting.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Vocaluxe
    Vocaluxe is an open source singing game inspired by SingStar™ and Ultrastar Deluxe. The code is hosted on github: https://github.com/Vocaluxe/Vocaluxe
    Downloads: 1 This Week
    Last Update:
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  • 12
    gmodes
    Examples how to make basic and clever addons and gamemodes using GarrysMod. Also in our svn repository there is a list of stuff maded by members of gmodspain.com. Those files enable future improvement and modifications for lua coders.
    Downloads: 1 This Week
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  • 13
    A 360 game created by 2 college kids under development. A sci-fi hack and slash.
    Downloads: 0 This Week
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  • 14
    Downloads: 0 This Week
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  • 15
    ASS is a project to implement an ELITE-style game with multiplayer capabilities, realistic and physically correct movement in space, trading, lots of ships, planets, guilds, fighting, exploring, aliens, evolving technology... Everything...
    Downloads: 0 This Week
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  • 16
    After gaining some experience in developing online games, this project is being remade in C# and XNA to ease the development process. Additionally, we now use a P2P architecture instead of Client-Server.
    Downloads: 0 This Week
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  • 17

    Advanced Traffic Simulation

    A mixture of game and simulation for public transport.

    This project is about a game and a simulation to work together. The focus lies on public transport. Manage your line network in your home area. Upgrade your vehicles, build new roads, deal with accidents or plan replacement busses for railroad construction works. But it's also possible to drive the vehicle yourself or just walk around the world and enjoy your line network. By vehicle we mean: train, tram, subway, bus and monorail. By using an addon structure it is possible to customize the whole world or even include non-existing means of transport like the hyperloop. Plan, manage and drive all together in multiplayer. Either competing or cooperative. Discord: https://discord.gg/P3SbVuD VSTS: https://advtrafficsim.visualstudio.com/
    Downloads: 0 This Week
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  • 18
    The Ares Project is a real time strategy game project focused on competition (esport). It has to have a fast, nervous gameplay, and to be well balanced.
    Downloads: 0 This Week
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  • 19
    Asteroid Outpost
    Asteroid Outpost is a 2D tower strategy game written in C# using the XNA framework. I am starting with a vertical slice of the gameplay, so for now, you can only mine minerals from the asteroids, build solar power stations, upgrade your structures, and defend yourself from never-ending waves of enemy ships. Development moved to: https://bitbucket.org/jcpmcdonald/asteroid-outpost/
    Downloads: 0 This Week
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  • 20
    LVClient or Auto Linh Vuong is a tool for Linh Vuong game of VTC Provider. It seem as 1st auto tool for webgame at this time. With more options and more selection. But have some problem with game provider so we can't make tool better than.
    Downloads: 0 This Week
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  • 21
    An Open-Source 3D RTS (Real-Time Strategy) video game for Windows PCs that uses the Microsoft XNA game libraries.
    Downloads: 0 This Week
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  • 22
    Bomb-A-Chicken
    This is a Bomberman remake we programmed and designed during the zdi C# workshop of the Lippe-Berufskolleg (Lippstadt, Germany). Kill your opponents by eggsploding them! Trailer and gameplay: http://www.youtube.com/watch?v=JvFh0WPc5F8
    Downloads: 0 This Week
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  • 23
    Bonus Gold Calculator 4 LoL

    Bonus Gold Calculator 4 LoL

    Bonus gold calculator for league of legends

    Bonus gold calculator for league of legends Now you can properly plan when to buy gold items, how many money you will make from them, and how much you lose with a bad support :) Current Version: 2.4.0.2
    Downloads: 0 This Week
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    See Project
  • 24
    BFI is a 3rd person multiplayer realtime starship space combat game. Fleets fight for resources, and captains for promotion, in the style of Netrek and Navy Field.
    Downloads: 0 This Week
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    See Project
  • 25
    The peace loving 60's take a wild turn in this simple multi-player game. Armed with banana bombs to flamethrowers, the VW Campers are out in a rampage.
    Downloads: 0 This Week
    Last Update:
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