Open Source Games - Page 5
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Irrlicht Engine
3D Engine c++
The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers. -
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SysDVR
Stream switch games to your PC via USB or network
This is a sysmodule that allows capturing the running game output to a pc via USB or network connection. Stream and switch games to your PC via USB or network. Cross-platform, can stream to Windows, Mac and Linux. Stream via USB or Wifi. Video quality is fixed to 720p @ 30fps with h264 compression, this is a hardware limit. Audio quality is fixed to 16bit PCM @ 48kHz stereo. Not compressed. Very low latency with an optimal setup, most games are playable. -
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Roblox AutoClicker Open Edition
Roblox AutoClicker Open Edition — Fast & Safe Auto-Click
Roblox AutoClicker Open Edition is a lightweight and open-source auto-clicking tool designed for Roblox and other games. It allows users to automate mouse clicks with adjustable speed and precise timing, improving gameplay efficiency in repetitive or idle tasks. This software works quietly in the background and is compatible with most modern versions of Windows and macOS. You can easily configure custom hotkeys, change click intervals, and switch between multiple click modes. – Works in background without affecting performance – Lightweight and open-source (MIT License) – Adjustable click speed and hotkeys – Supports single or continuous click modes – Compatible with Roblox, Minecraft, and other desktop apps Ideal for Roblox players, developers, and idle game enthusiasts looking for a simple, clean, and efficient auto-clicker. -
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PySolFC (PySol Fan Club edition) is an extended version of PySol (a solitaire card games collection).
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Rojo
Enables Roblox developers to use professional software tools
Text Editing Rojo opens the door to use the absolute best text editors in the world and their rich plugin ecosystems.. Version Control By building your game (or just the scripts) as individual files on the filesystem, it becomes easy to start using professional-grade version control tools like Git or Mercurial Other Tools Take advantage of of tools built by engineers around the world. -
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Atmosphère
Atmosphère is a work-in-progress customized firmware for the Nintendo
Atmosphère is an open-source custom firmware platform for the Nintendo Switch that enables advanced system customization, homebrew development, and extended functionality beyond the official operating system. It replaces and modifies key components of the system software, including the bootloader, kernel modules, and system services, allowing developers to hook into and extend system behavior. The project is composed of multiple subsystems such as Fusée for bootloading, Exosphère for secure monitor customization, and Stratosphère for system module extensions. It provides a foundation for running custom applications, modifying system behavior, and experimenting with low-level features of the Switch hardware. Atmosphère is actively developed and updated to maintain compatibility with new firmware versions while improving stability and performance. It is widely used in the homebrew community as a base platform for building tools, mods, and custom applications. -
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BetterJoy
Allows the Nintendo Switch Pro Controller, Joycons and SNES controller
BetterJoy is a Windows application that enables Nintendo Switch controllers, including Joy-Con and Pro Controllers, to function seamlessly on PC by emulating standard input devices such as XInput. It acts as a compatibility layer that allows these controllers to be used with a wide range of games, emulators, and software that would otherwise not recognize them natively. The software supports integration with popular emulators like Cemu, Dolphin, and Yuzu, as well as general system-wide input for PC gaming. One of its standout features is gyro support, which can be mapped to mouse movement or used in compatible games for motion control. It also allows users to remap buttons, including special inputs like capture and SL/SR buttons, providing a high degree of customization. BetterJoy works over both USB and Bluetooth connections, making it flexible for different setups. -
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ChessX
Chess Database and PGN viewer
A free and open source chess database application for Linux, Mac OS X and Windows. -
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Monke Mod Manager
Mod Installer for the PC version of Gorilla Tag
MonkeModManager is a mod management tool created for games within the Gorilla Tag ecosystem, providing users with an easy way to install, update, and manage mods without manual file handling. The application simplifies the modding process by offering a graphical interface where users can browse available mods and apply them with minimal effort. It automatically handles file placement, dependency management, and compatibility checks, reducing the risk of user error. The manager also supports updating mods, ensuring that users always have access to the latest versions without needing to track changes manually. Designed with accessibility in mind, it allows even non-technical users to customize their gameplay experience. It also includes safety mechanisms to help prevent issues such as corrupted installations or incompatible mod combinations. -
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FreeCol
Colonize the New World.
FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation. You start with only a few colonists defying the stormy seas in their search for new land. Will you guide them on the Colonization of a New World? The last stable version release can be found here: https://sourceforge.net/projects/freecol/files/latest/download The latest test pre-release of the next version can be found here: https://github.com/FreeCol/freecol/releases If you want to contribute to Freecol please visit our welcome information thread to see how here: https://sourceforge.net/p/freecol/discussion/719661/thread/2d0063a3bc/ -
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PCSX2
The Playstation 2 emulator
PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. Its purpose is to emulate the PS2's hardware, using a combination of MIPS CPU Interpreters, Recompilers and a Virtual Machine that manages hardware states and PS2 system memory. This allows you to play PS2 games on your PC, with many additional features and benefits. The PCSX2 project has been running for more than ten years. Past versions could only run a few public domain game demos, but newer versions can run most games at full speed, including popular titles such as Final Fantasy X and Devil May Cry 3. Visit the PCSX2 compatibility list to check the latest compatibility status of games (with more than 2500 titles tested), or ask for help in the official forums. The latest officially released stable version is version 1.6.0. Installers and binaries for both Windows and Linux are available from our website. -
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Quake III Arena
Quake III Arena GPL Source Release
Quake-III-Arena is the legendary first-person shooter originally released in 1999, and this repository holds its GPL-licensed source code release. By making the engine code fully open under GPL-2.0 (with licensing details regarding some bundled libraries like zlib), it allows the community to build, port, and maintain the engine, ensuring that the game remains playable even decades later. The release includes all major game subsystems: rendering, physics, network code, game logic, and tools (map compilation, asset packing, etc.), enabling full builds on Windows, Linux, macOS — assuming you provide the original game assets. Because the source is available, there are many community forks and improved engine builds (and ports) that modernize graphics, compatibility, input, mod support, and add enhancements while preserving core gameplay. The GPL-based release also enables modders and developers to study and extend the engine for learning, custom mods, or even entirely new games. -
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x-minecraft-launcher
An Open Source Minecraft Launcher with Modern UX
x-minecraft-launcher is an open-source Minecraft launcher designed to provide a modern user interface and powerful tools for managing modded Minecraft environments. The application allows players to install and manage multiple instances of Minecraft, each with its own configuration, mods, resource packs, and runtime settings. It emphasizes efficient disk usage by sharing resources between instances rather than duplicating files, which helps reduce storage consumption when working with many modpacks. The launcher integrates directly with major mod distribution ecosystems and supports downloading mods, modpacks, and dependencies from various repositories. Built with modern web and desktop technologies, it focuses on performance, modular architecture, and cross-platform compatibility across Windows, Linux, and macOS systems. The project also supports different authentication systems and allows advanced configuration of Java runtime parameters and game settings. -
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Liquid Bounce
A free mixin-based injection hacked client for Minecraft
LiquidBounce is a free and open-source mixin-based injection hacked client using the Fabric API for Minecraft. LiquidBounce is a hacked client (also known as a cheat) for Minecraft and designed to give you a significant advantage over other players. Unlike many of its competitors, LiquidBounce is completely free, open source and compatible with Fabric. LiquidBounce's JavaScript API allows you to take care of that yourself. With just a few lines of code, you can develop your own modules and share them with the community. LiquidBounce allows you to customize the HUD according to your personal needs. So if you don't like the standard design, you can easily customize it to your exact needs. We believe quality does not have to be come with a price tag and therefore offer LiquidBounce for free. No hidden costs, no premium features. Just go ahead and download our client. -
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Ren'Py
The Ren'Py Visual Novel Engine
Ren’Py is a free and open-source visual novel engine that makes telling interactive stories easy by combining narrative scripting with multimedia support for images, sound, and music in a way that’s accessible to both beginners and experienced developers. Its scripting language is designed to be readable and intuitive, allowing writers and creators to define scenes, dialogues, branching choices, character expressions, and events without deep programming knowledge, while still offering the ability to embed Python for advanced control and custom gameplay features. The engine handles essential visual novel conventions like save and load systems, rollback to previous text, scene transitions, and UI menus, so creators can focus on the story and player experience. Because it’s built on Python and widely supported across platforms, Ren’Py games can run on Windows, macOS, Linux, mobile devices, and even in browsers with HTML5 builds, helping developers reach a broad audience. -
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Whisky
A modern Wine wrapper for macOS built with SwiftUI
Experience the latest titles effortlessly with Whisky. Whisky provides a clean and easy to use graphical wrapper for Wine built in native SwiftUI. You can make and manage bottles, install and run Windows apps and games, and unlock the full potential of your Mac with no technical knowledge required. Whisky is built on top of CrossOver 22.1.1, and Apple's own Game Porting Toolkit. -
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Roblox FPS Unlocker Open Edition
Free open-source Roblox FPS Unlocker — unlock up to 240 FPS
Roblox FPS Unlocker — Open Edition Tired of 60 FPS holding you back? This free, open-source tool removes Roblox's built-in frame rate cap and unlocks up to 240 FPS instantly — no subscriptions, no BS. Smoother gameplay. Better aim. Less input lag. Works on any PC. Lightweight, clean, and released under the MIT License. ─── ⚙️ How to Use 1️⃣ Download rbxfpsunlocker_v1.0.zip 2️⃣ Extract and run rbxfpsunlocker.exe 3️⃣ Launch Roblox — enjoy unlimited FPS! That's it. No install, no setup, no bloat. ─── 🔍 Safety & Notes ✅ Open source — read every line on GitHub ✅ Only modifies Roblox's internal FPS limiter — zero game file changes ✅ Any antivirus flags are false positives (common with game tools) ✅ Stable 64-bit build included; 32-bit deprecated Want to verify it yourself? Compile from source: 🔗 https://github.com/axstin/rbxfpsunlocker ─── Keywords: roblox fps unlocker, roblox fps unlocker 2025, roblox 240 fps, fps boost roblox, roblox performance t -
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Robocode
Robocode is a programming tank game for Java
Robocode is a programming game, where the goal is to develop a robot battle tank to battle against other tanks with Java. The robot battles are running in real-time and on-screen. The motto of Robocode is: Build the best, destroy the rest! -
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Natro Macro
A Bee Swarm Simulator macro for Windows
Natro Macro is an open-source automation tool created for the Roblox game Bee Swarm Simulator that allows players to automate repetitive gameplay tasks using scripting. The macro is written in AutoHotkey and is designed to simulate user input in order to perform actions such as collecting resources, navigating the game world, and managing farming routes. The software is particularly useful for players who want to automate long grinding sessions that would otherwise require many hours of manual play. It provides customizable paths and patterns that guide the character through farming cycles and resource collection routines. Because it is open source, the project encourages community contributions and allows players to modify the macro logic or add new behaviors. The macro also integrates configuration files and customizable settings so that players can adapt the automation to different in-game strategies or environments. -
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AirSim
A simulator for drones, cars and more, built on Unreal Engine
AirSim is an open-source, cross platform simulator for drones, cars and more vehicles, built on Unreal Engine with an experimental Unity release in the works. It supports software-in-the-loop simulation with popular flight controllers such as PX4 & ArduPilot and hardware-in-loop with PX4 for physically and visually realistic simulations. It is developed as an Unreal plugin that can simply be dropped into any Unreal environment. AirSim's development is oriented towards the goal of creating a platform for AI research to experiment with deep learning, computer vision and reinforcement learning algorithms for autonomous vehicles. For this purpose, AirSim also exposes APIs to retrieve data and control vehicles in a platform independent way. AirSim is fully enabled for multiple vehicles. This capability allows you to create multiple vehicles easily and use APIs to control them. -
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Luma3DS
Noob-proof (N)3DS Custom Firmware
Luma3DS is a program to patch the system software of (New) Nintendo (2)3DS handheld consoles "on the fly", adding features such as per-game language settings, debugging capabilities for developers, and removing restrictions enforced by Nintendo such as the region lock. It also allows you to run unauthorized ("homebrew") content by removing signature checks. To use it, you will need a console capable of running homebrew software on the Arm9 processor. Since v8.0, Luma3DS has its own in-game menu, triggerable by L+Down+Select. -
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OriLauncher
Fast, user-friendly cross-platform custom launcher for Minecraft
OriLauncher is a free and open source custom launcher for the popular game Minecraft designed to streamline the process of launching the game with a modern, user-friendly interface. Built using web and desktop technologies like Svelte, Electron, and Vite, it aims to provide a fast and responsive experience for players across multiple platforms including Windows, macOS, and Linux. The launcher enables users to switch quickly between different Minecraft environments (such as Vanilla, Forge, or Fabric) with just one click, eliminating manual setup steps. It also offers support for managing multiple user accounts, remembering both Microsoft and offline profiles to make logging in simpler and more fluid. Players have control over technical settings like RAM allocation and Java version selection directly within the launcher, allowing them to optimize performance for their system. -
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PKHeX
Pokémon Save File Editor
Pokémon core series save editor, programmed in C#. Data is displayed in a view that can be edited and saved. The interface can be translated with resource/external text files so that different languages can be supported. Pokémon Showdown sets and QR codes can be imported/exported to assist in sharing. PKHeX expects to save files that are not encrypted with console-specific keys. Use a save data manager to import and export save data from the console (Checkpoint, save_manager, JKSM, or SaveDataFiler). We do not support or condone cheating at the expense of others. Do not use significantly hacked Pokémon in battle or in trades with those who are unaware hacked Pokémon are in use. PKHeX is a Windows Forms application that requires .NET Framework v4.6, with experimental support for .NET 6.0. The executable can be built with any compiler that supports C# 10. -
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AIO-Switch-Updater
Update your CFW, cheat codes, firmwares from your Nintendo Switch
A Nintendo Switch homebrew app to download and update CFWs, FWs and cheat codes. Supports Atmosphère, ReiNX and SXOS. Works on unpatched (Erista) and patched (v2/Mariko) Switches. Update the Atmosphère Switch Custom Firmware. AIO-Switch-Updater uses a custom RCM payload to finalise the install as it can't be performed while HOS is running. Download and update Hekate, as well as a selection of RCM payloads. Download and extract daily-updated cheat code. The program will only extract cheat codes for the games you own. By default, this homebrew will overwrite the existing cheats. If you have your own cheat files that you'd like to keep as is, you can turn off cheat updates for specific titles. -
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ModAssistant
Simple Beat Saber Mod Installer
ModAssistant is a simple PC mod installer for Beat Saber, using mods from BeatMods. Beat Saber is the popular VR rhythm game where players must slash the beats as they fly towards them to the beat of lively music. ModAssistant comes with a number of great features like dependency resolution, mod uninstallation, and a complex theming engine. It features light, dark, BSMG and light pink themes, and can even have your own custom theme! Have more fun playing Beat Saber by customizing your experience with ModAssistant!
