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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • Remote Network Monitoring and Management for an IoT World Icon
    Remote Network Monitoring and Management for an IoT World

    The Only RMM Solution You Need

    Domotz is the premier Remote Network Monitoring and Management platform for IoT. We offer powerful network management software for MSP's, Integrators, Security Professionals, and Business Owners. Domotz enables the complete solution to cost-effectively manage and monitor your customers’ networks with plug and play setup, a friendly UX, and a comprehensive feature set, accessible from any desktop browser or mobile device. Utilize one interface to manage multiple networks at multiple locations anywhere in the World. One person can deploy remote monitoring and management in less than 15 minutes.
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  • 1
    DOSBox

    DOSBox

    An Open Source DOS emulator to run old DOS games

    DOSBox emulates a full x86 pc with sound and DOS. Its main use is to run old DOS games on platforms which don't have DOS (Windows 7, 8, 8.1 and 10 / Linux / FreeBSD / Mac OS X)
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    Downloads: 16,455 This Week
    Last Update:
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  • 2
    Roblox FPS Unlocker

    Roblox FPS Unlocker

    FPS Unlocker for Roblox

    FPS Unlocker for Roblox. Download the latest release, extract rbxfpsunlocker-x64.zip into a folder, run the exe before or after starting Roblox, and enjoy the beautiful frames available. All detections are false positives. Internally, RFU "tampers" with running Roblox processes in order to uncap framerate and can appear as suspicious to an anti-virus. For reasons unbeknownst to me, 32-bit builds of RFU garner many more false positive detections than 64-bit builds and are no longer included in new releases. If you don't trust me, feel free to download the repository, review the source code, and compile the project yourself with Visual Studio 2019. Otherwise, add an exception to your anti-virus for rbxfpsunlocker.exe (or the folder it is in).
    Downloads: 1,937 This Week
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  • 3
    Extreme Injector

    Extreme Injector

    DLL injector for gaming and other uses

    Extreme Injector is a software tool commonly used to inject Dynamic Link Libraries (DLLs) into other processes running on a Windows system. Often used in gaming and software development, this tool allows users to modify or add custom functionality to a target application by "injecting" DLL files, which can influence the application's behavior or provide additional features. Extreme Injector is popular in the gaming community for enabling modifications or "mods" in games, but it also has potential misuse in game cheating and malware deployment, as it allows for altering applications in ways the original developers may not have intended.
    Downloads: 1,684 This Week
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  • 4
    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: 9,621 This Week
    Last Update:
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  • DataHub is the leading open-source data catalog helping teams discover, understand, and govern their data assets. Icon
    DataHub is the leading open-source data catalog helping teams discover, understand, and govern their data assets.

    Modern Data Catalog and Metadata Platform

    Built on an open source foundation with a thriving community of 13,000+ members, DataHub gives you unmatched flexibility to customize and extend without vendor lock-in. DataHub Cloud is a modern metadata platform with REST and GraphQL APIs that optimize performance for complex queries, essential for AI-ready data management and ML lifecycle support.
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  • 5
    vJoy
    This project was originally designed to provide an open-source replacement for PPJoy. The product, at this point, consists of virtual joystick devices that is seen by the system as a standard joystick but its position-data is written to it by a feeder application. An existing feeder application that takes advantage of this product is SmartPropoPlus. If you are an application writer you can very easily write an application that controls a joystick (e.g. mouse-to-joystick, keyboard-to-joystick). If you are a beginner in device drivers you can take this code and enhance it to support more (or less) axes, buttons or POVs.
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    Downloads: 6,589 This Week
    Last Update:
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  • 6
    libsdl-android

    libsdl-android

    SDL library for Android, including several games.

    Port of SDL library to Android mobile platform. There are also several games inside the repository, along with their sources and build files. Both SDL 1.2 and 1.3/2.0 versions are supported (1.3/2.0 support is experimental) Sources are at https://github.com/pelya/commandergenius
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    Downloads: 3,969 This Week
    Last Update:
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  • 7
    Sunshine

    Sunshine

    Self-hosted game stream host for Moonlight

    Sunshine is an open-source self‑hosted cloud gaming server that implements NVIDIA’s GameStream protocol. Compatible with Moonlight clients across platforms, it supports low‑latency streaming via software or hardware encoding (AMD/Intel/NVIDIA) and offers a browser‑based control UI for pairing.
    Downloads: 785 This Week
    Last Update:
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  • 8
    BZFlag - Multiplayer 3D Tank Game
    OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Download the latest version at https://www.bzflag.org/downloads/ Development has moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated. Please download the latest version from our website.)
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    Downloads: 2,958 This Week
    Last Update:
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  • 9
    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: 2,637 This Week
    Last Update:
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  • Everything You Need To Provide Complete Visibility Into Your Data Center And Cloud Infrastructure Icon
    Everything You Need To Provide Complete Visibility Into Your Data Center And Cloud Infrastructure

    Designed by engineers with IT experience to discover, document, and manage medium and large datacenters.

    Featuring an intuitive web-based interface, Device42 actionable insight into enterprise infrastructures, with clearly identified hardware, software, service, and network interdependencies, powerful visualizations, and easy-to-use UI, webhooks, APIs, and so much more. Lean on Device42 to prepare for and plan network changes and reduce MTTR should an unexpected outage occur. Device42 has what you need for maintenance, audits, license certificate, warranty, and lifecycle management, passwords/secrets, inventory, asset tracking, capacity planning and budgeting, building room and rack layouts…
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  • 10
    The Forge Script | No Key

    The Forge Script | No Key

    The Forge Roblox Script | AFK Macro | Keyless / No Key

    The Best Keyless Script for The Forge. Dominate the game with our advanced Auto Farm, Instant Forge, and Auto Attack features. This No Key script provides a fully featured GUI to automate mining, crafting, and combat with 100% safety and efficiency. Created in LUA. The archive will contain a special executor developed for this script, this is done to ensure that all functions are supported. Requirement Minimum: Age 8+ Processor Dual-Core 1.8 GHz+ Memory (RAM) 2 GB (Mobile) Storage 50MB Internet connect Security Using script executors requires understanding the potential risks and taking appropriate precautions. Although this script employs advanced detection protection measures, users should always exercise caution when running scripts in Roblox.
    Downloads: 8,793 This Week
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  • 11
    Delta Roblox Executor For PC

    Delta Roblox Executor For PC

    Download Delta Roblox executor for keyless scripting. Free for PC.

    Delta Roblox Executor is a powerful, keyless script executor built for Roblox on PC. It allows users to safely and efficiently run custom Lua scripts in any Roblox game, unlocking new features, automation, and enhanced control over gameplay. Tested and benchmarked for top performance, Delta stands out from other free executors thanks to its clean UI, fast injection time, and support for most modern scripts. Following the discontinuation of our previous executor, Delta is now the official and recommended tool for all script users and developers in our community. Each version of Delta is directly published by trusted developers and scanned for safety before release. Our platform ensures a safe, secure, and ad-free download experience with no keys or verification links required. It's free, easy to use, and compatible with both beginners and advanced users. Whether you're automating farming in Blox Fruits or running GUIs in Pet Simulator X, Delta Executor gives you the performance
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    Downloads: 4,349 This Week
    Last Update:
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  • 12
    Warzone 2100

    Warzone 2100

    RTS game with the theme of Strategy by Design

    You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at https://github.com/Warzone2100/warzone2100 Warzone 2100 works on both 32 & 64 bit Windows 7 or higher, 32 or 64 bit Linux, & macOS 10.14+.
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    Downloads: 2,457 This Week
    Last Update:
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  • 13
    Stellarium

    Stellarium

    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
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    Downloads: 2,297 This Week
    Last Update:
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  • 14
    simutrans

    simutrans

    A free transportation simulator game

    Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.
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    Downloads: 2,476 This Week
    Last Update:
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  • 15
    FlightGear - Flight Simulator

    FlightGear - Flight Simulator

    FlightGear Flight Simulator: free open-source multiplatform flight sim

    Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums. FlightGear features more than 400 aircraft, a worldwide scenery database, a multi-player environment, detailed sky modelling, a flexible and open aircraft modelling system, varied networking options, multiple display support, a powerful scripting language and an open architecture. Best of all, being open-source, the simulator is owned by the community and everyone is encouraged to contribute.
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    Downloads: 2,898 This Week
    Last Update:
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  • 16
    Stockfish

    Stockfish

    UCI chess engine

    Stockfish is a free, powerful UCI chess engine derived from Glaurung 2.1. Stockfish is not a complete chess program and requires a UCI-compatible graphical user interface (GUI) (e.g. XBoard with PolyGlot, Scid, Cute Chess, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably. Read the documentation for your GUI of choice for information about how to use Stockfish with it. Stockfish is a 11-time winner of the Top Chess Engine Championship. Stockfish is open source (GPLv3 license). That means you can read the code, modify it, and contribute back. You can use Stockfish on your computer or on your iOS or Android device. So you can get world-class chess analysis, wherever you are. The Stockfish engine features two evaluation functions for chess, the classical evaluation based on handcrafted terms, and the NNUE evaluation based on efficiently updatable neural networks.
    Downloads: 509 This Week
    Last Update:
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  • 17
    Nestopia
    A portable and cycle-accurate NES/Famicom emulator written in C++
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    Downloads: 2,056 This Week
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  • 18
    Xeno Roblox Executor Next-Gen Scripting

    Xeno Roblox Executor Next-Gen Scripting

    Xeno Roblox Executor for next-gen scripting, free for PC.

    Xeno Roblox Executor 2025 | Free Next-Gen Scripting Tool for Roblox (PC) Xeno Executor is a powerful, free, and open-source scripting tool built for next-generation Roblox script execution. Ideal for developers, learners, and modders, Xeno makes it easy to test Lua scripts, automate gameplay, and explore Roblox Studio scripting — all in a clean, fast, and safe environment. Created with performance and stability in mind, Xeno supports multi-client execution, high-speed script processing, and a dedicated developer-friendly interface. Whether you're just getting started or need a solid executor for daily use, Xeno is the right tool. Troubleshooting Tips: Xeno won’t open? → You may be missing dependencies. Download and install Visual C++ Redistributable + .NET Runtime 8.0. Script not running? → Restart Roblox and Xeno. Reattach after launching both.
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    Downloads: 2,837 This Week
    Last Update:
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  • 19
    MultiMC

    MultiMC

    Launcher for Minecraft that allows you to easily manage installations

    MultiMC is an alternative launcher for Minecraft. It allows you to have multiple, cleanly separated instances of Minecraft (each with their own mods, resource packs, saves, etc) and helps you manage them and their associated options with a simple and powerful interface.
    Downloads: 324 This Week
    Last Update:
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  • 20
    Fortnite Free Cheats | Aimbot, ESP

    Fortnite Free Cheats | Aimbot, ESP

    Unlock Free Fortnite aimbot & ESP cheats for 2025

    Fortnite Free Cheats 2025 | Aimbot, ESP, Undetected Hack + HWID Spoofer Unlock the ultimate competitive edge in Fortnite with Chaos Solution — one of the most trusted and undetected external cheats available in 2025. Online since 2020 and never detected, Chaos Solution offers a private, secure, and performance-optimized experience for both casual and ranked players. Unlike public Fortnite hacks that get detected quickly, Chaos Solution is designed for long-term, undetected use — even in tournaments. Whether you're streaming, recording, or grinding arena mode, this cheat stays invisible and efficient. 🖥️ System Requirements: OS: Windows 10 & 11 Supported Clients: Epic Games / Fortnite Launcher Anti-Cheats: Compatible with BattlEye and EAC Download Fortnite Aimbot & ESP Cheats Free (Chaos Solution) – 2025 Edition Stay undetected. Dominate the game.
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    Downloads: 2,437 This Week
    Last Update:
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  • 21
    DeSmuME

    DeSmuME

    DeSmuME is a Nintendo DS emulator

    DeSmuME is the most seasoned open source Nintendo DS emulator. It sports tools designed for hackers, speedrunners, youtubers, and casual gamers. Homebrew programs are supported and can even be debugged through GDB. The Windows and OSX versions are both relatively feature rich, and there is a small universe of forks and mods that add even more features for casual gaming. DeSmuME is the origin of RetroArch and OpenEmu Nintendo DS support and is used by several mobile Nintendo DS emulators, with the notable exception of DraStic. DeSmuME's source code is now hosted at https://github.com/TASVideos/desmume/ win32 autobuilds @ https://ci.appveyor.com/project/zeromus/desmume/build/artifacts
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    Downloads: 1,450 This Week
    Last Update:
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  • 22
    USBLoaderGX

    USBLoaderGX

    Game backup loader for Wii and vWii

    USBLoaderGX is a GUI for Waninkoko's USB Loader, based on libwiigui. It allows listing and launching Wii games, Gamecube games and homebrew on Wii and WiiU vWii mode. Its interface, based on the official theme from Nintendo Wii, is easy to use and perfect for kids and all the family. ATTTENTION, THIS PROJECT IS NOT MAINTAINED HERE ANYMORE. USBLoaderGX last version on sourceforge is 1272 (last stable 1271). Any bug reports or requests posted here will be ignored. This project has been copied to github, and any developers can now update and release new versions. Newer versions are available, maintained by other developers. If you need help, want to ask any questions or want to download newer versions (1280+), then you can find a project's branch maintained by Blackb0x here: https://gbatemp.net https://gbatemp.net/posts/8856063 https://github.com/wiidev/usbloadergx Thank you for your support all these years. Cyan
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    Downloads: 1,475 This Week
    Last Update:
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  • 23
    AimAhead

    AimAhead

    The fastest AI powered Aimbot

    AimAhead is an AI-powered aim assist tool designed for high-speed target acquisition. It captures the screen, processes the image through a selected AI model to detect enemies, and then aims towards them. Optimized for NVIDIA graphics cards, AimAhead converts ONNX models to TensorRT engine files for enhanced performance, achieving between 100 to 200 cycles per second depending on the model used.
    Downloads: 223 This Week
    Last Update:
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  • 24
    Volcano Executor Roblox For Pc | No Key

    Volcano Executor Roblox For Pc | No Key

    Download Volcano New Roblox Executor | Keyless Script Executor

    Volcano Roblox Executor – the ultimate Keyless free Roblox script executor for PC. Volcano Executor offers an advanced yet safe way to run scripts inside Roblox games. With high compatibility, blazing-fast injection speeds, and wide script support, Volcano is rapidly becoming the go-to Roblox script executor. "With Volcano Executor, you dont just play Roblox—you control the game." Why Choose Volcano Executor? When you get Volcano Executor, you're joining a global movement of script creators, Roblox modders, and automation experts. Here's what sets it apart: Free, open-source platform. PC and mobile support. Built with privacy and safety in mind. Updated regularly with community feedback. Will I Get Banned for Using It? Use caution. While Volcano Executor safe features lower risk, always use scripts on alt accounts. Requirement Minimum Spec Age 8+ Processor Dual-Core 1.8 GHz+ Memory (RAM) 2 GB (Mobile) / 4 GB (PC) Storage Space 50MB Operating System Windows 10
    Downloads: 2,802 This Week
    Last Update:
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  • 25
    Prism Launcher

    Prism Launcher

    Custom launcher for Minecraft to easily manage installations

    An Open Source Minecraft launcher with the ability to manage multiple instances, accounts, and mods. Focused on user freedom and free redistributability. Install and launch modpacks easily, while keeping them clean. No longer do you need to manually install them, and easily update mod packs, Prism Launcher can do these tasks for you, without installing tons of separate launchers. Prism Launcher is able to download & update individual mods from outside of modpacks using Modrinth and CurseForge. Each Minecraft instance has its own folder, with separate mods, resource packs and other things. You don't need an embedded web browser as a game launcher. Prism Launcher uses the Qt toolkit, which requires little system resources. Prism Launcher also lets you customize the menu and supports custom themes.
    Downloads: 181 This Week
    Last Update:
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