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

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  • 1
    GemRB Game Engine

    GemRB Game Engine

    GemRB is a portable open-source implementation of the Infinity Engine

    GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur's Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the GPL.
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    Downloads: 111 This Week
    Last Update:
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  • 2
    Nuvie
    A game engine for running Origin's 'Ultima 6' and 'Ultima Worlds of Adventure' games on modern operating systems.
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    Downloads: 10 This Week
    Last Update:
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  • 3
    KonsolScript and Game Engine

    KonsolScript and Game Engine

    Free and Open Game Programming Language for Windows and GNU/Linux

    KonsolScript is a free and open source, scripting language primarily intended for 2D games development. KonsolScript Development Team believes that the unavailability of games on GNU/Linux desktops is one of the major concerns why people keep using unauthorized copies of proprietary OS over GNU/Linux and that is something the Development Team is ought to address – we are doing our part to help promote GNU/Linux as a viable gaming platform for desktops both for Game Publishers and Gamers. The whole Game Development Kit is suitable for teaching 2D game programming. The end goal of this project is to have a common gaming platform for Windows, GNU/Linux, Mac OS, including mobile platforms like Android where any newbie can learn how to make his game/animation etc. A lot of work has been made and a lot more is to be done. It might need to hire programmers to make an engine for Android, and Mac OS, then some in-house testers for stability among these platform
    Downloads: 6 This Week
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  • 4
    OPL2

    OPL2

    Open source, moddable game engine for the "Polygon Love 2" game

    OPL2 is an open source, extremely moddable replacement for the Polygon Love 2 game engine, written in Python and C++ and using the Panda3D game engine ( www.panda3d.org ) OPL2 is just an engine, you will need the files from the original game to be able to play. OPL2 doesn't contain any copyrighted material from the original game/engine. While Polygon Love 2 is an erotic/life simulation game, the OPL2 engine does not contain any explicit material itself. OPL2 is heavily moddable and can be used for many other things such as cosplay simulation. Hongfire thread to talk about the game: http://www.hongfire.com/forum/showthread.php/410086-OPL2-open-source-and-moddable-3d-hentai-game/page27?highlight=opl2 (WARNING! EXPLICIT CONTENT!)
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    Downloads: 11 This Week
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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

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  • 5
    Rails: an 18xx game system
    Rails is a Java game engine intended to play any of the 18xx series of turn-based board games For 3-6 players and set in the 19th century, these games allow players to step into the shoes of the robber barons and railroad tycoons of the time period..
    Downloads: 3 This Week
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  • 6
    Erebus

    Erebus

    Real-time RPG for PC/tablet/phone; multiple quests and random dungeons

    Erebus is a 2D real-time role-playing game, for Windows, Linux, Symbian and Android. This is under development, though already playable with three quests. Classic point-n-click style RPG, with dungeons to explore, enemies to fight, NPCs to talk to, sub-quests to complete, scenery to interact with, weapons, treasure and other items to find. Also supports Rogue-like keyboard controls. Binaries available for Windows and Android. Linux must be compiled from source. Older versions are available for Symbian. I am also developing the underlying game engine so that it can potentially be used to create new RPGs.
    Downloads: 7 This Week
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  • 7
    IsoRealms Spindizzy and Isorealms Engine

    IsoRealms Spindizzy and Isorealms Engine

    An isometric arcade-style game of skill, puzzles and exploration

    You are cartographer for undiscovered worlds; your task is to explore and map all areas of the recently discovered strange dimension of Hangworld. In order to complete your task, you take control of GERALD. However, fuel is expensive and funding can only be supplied as long as progress is being made, so it is vital to explore new areas and recover jewels. Spindizzy is a remake of the 1986 classic computer game of the same name, originally developed by Paul Shirley. The remake features true 3D OpenGL graphics and runs on a custom-built engine called Isorealms. The Isorealms engine features a complete content creation toolkit for modifying and extending Spindizzy, as well as offering the opportunity to create entirely new projects from scratch. Isorealms content creation tools are aimed at users of all experiences, from those who simply want to build new worlds to those who want to take advantage of advanced features such as Lua scripting and custom asset importation.
    Downloads: 6 This Week
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  • 8
    A collection of developer tools for game-making on and for the Nintendo DS, including (but not limited to) content uploader, 2D game engine with sound, level and sprite editor.
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    Downloads: 7 This Week
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  • 9
    Chessmaster Bots Manager

    Chessmaster Bots Manager

    A simple tool to allow Chessmaster 10/11 bot customizations

    This tool allows several bot customizations: - Load all the chess engine settings - Change avatar for any bot - Analyse player's games to get: * Player max elo * Game style (aggressive, positional, etc.) * Preferred opennings - Choose the closest openning book for a player - Save openning book based on player's game stats - Automtically backup bot with with possibility to restore settings Future improvements: - Improve .pgn analysis using external engine or refined position evaluation - Allow to save in either CM10 (best compatibility) or CM11 (more features) - Add tools to create new lessons with audio support
    Downloads: 5 This Week
    Last Update:
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  • 10
    Java port of the Quake2 game engine
    Downloads: 1 This Week
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  • 11
    JGame is a small multiplatform 2D game engine. It runs on the Java JRE 1.3+ platform, the J2ME (MIDP2.0/CLDC1.1) mobile platform, and the Android (2.1+) platform. It provides a very high-level framework for "classic" type arcade games.
    Downloads: 1 This Week
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  • 12
    Puzzle Dungeon

    Puzzle Dungeon

    A cell-based puzzle game featuring classic and completely new puzzles

    Puzzle Dungeon is a free-software game that incorporates classic puzzle games like Sokoban, StoneAge, Atomix, The Minotaur and Theseus, Memory, Fifteen, RotatePic, as well as new puzzles. The game uses pygame and pgzero. It should work well on GNU/Linux, Windows and other Operating Systems. Most levels are generated automatically, offering a new experience every time. Pre-created maps are also supported, including classic collections. Players can reload the same level if stuck - whether it’s newly generated or pre-created. Some puzzles are time-limited, others require strict adherence to rules, and many involve finding a path to the finish. Some levels even feature enemy encounters.
    Downloads: 2 This Week
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  • 13

    euphoriasdk

    A complete 2D Game Engine with built in drag and drop editor

    Euphoria is a 2 Game Engine and Development kit for aspiring game designers who are interested in getting their feet wet in the world of game design and programming. Some features of the engine are: - 2D levels and basic rasterized rendering - Simple animations and timer systems - A complete embedded Lua 5.1 scripting environment for level scripting - A drag and drop level designer - Support for all standard Windows Media Player compatible media types - Background Music - Sound Effects - Simple object collision detection - Pseudo 3D for making simulated 3D with 2D graphics - Scriptable Menus, buttons, etc - Custom Lua file manipulation libraries and script engine binding - Cut scene videos - Open Source What Euphoria is NOT: - A professional game design engine (maybe someday) - Bug free - Size Efficient (textures are stored as bitmaps - 3D - Covered Under Warranty - A Game, this is a Kit to BUILD a game
    Downloads: 2 This Week
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  • 14
    IRE is a tile-based Computer Role-Playing Game engine based on Ultima 6, but with an emphasis on customisation and cross-platform support. Everything is controlled using scripts.
    Downloads: 1 This Week
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  • 15
    geek(Game Engine Extensible Kit), is an easy expansion, easy-to-use, object-oriented C++ framework for game development.
    Downloads: 1 This Week
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  • 16
    olivechess

    olivechess

    a UCI chess engine

    OliveChess is a simple chess engine compatible with modern chess interfaces such as ChessBase products, Arena and XBoard/Winboard. The engine supports UCI and XBoard protocols. Note: in order to use it as an xboard engine you may need Polyglot tool to be installed first
    Downloads: 1 This Week
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  • 17
    Architect I Gomoku (Engine with GUI)

    Architect I Gomoku (Engine with GUI)

    Gomoku Game: Playing with Computer

    This is the first step of a board game engine development plan "Architect". The first version will be playing the classical Gomoku game, and this version is called "Architect I". This project also shows the rich features of the next generation Java graphical user interface. The GUI of this application was built using JavaFX 2.0 which was entirely written in Java. Although as been announced, JavaFX 3.0 will be integrated into JRE in next year, at this point, you still need a separate runtime evironment. Be sure to download and install the JavaFX 2.0 runtime before download this game. @2011.10.24
    Downloads: 0 This Week
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  • 18
    Crimild Engine is an open source scene graph based engine which purpose is to fulfil the high-performance requirements of typical multi-platform two and tridimensional multimedia projects, like games, simulations and virtual reality.
    Downloads: 0 This Week
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  • 19
    EasyWay java Game Engine is a powerfull 2D OpenSource OpenGL Java Game Engine. It's simple, fast and extendible. With EasyWay you can make your dream game writing few lines of code!
    Downloads: 0 This Week
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  • 20
    Frank Engine

    Frank Engine

    A 2D game engine and level editor

    Frank Engine is a game development framework with a built in editor written in C++. The goal is to be a fast way to create large open world 2D games with high quality graphics. Everything necessary to create a fully featured game is included: physics (Box2D), rendering (DirectX), level editor, dynamic lighting, particle system, sound, music (Ogg Vorbis), gamepad input, GUI, and debug console. The code is fairly well documented and includes simple starter projects build on.
    Downloads: 0 This Week
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  • 21
    Generic Collectible Card Game is a multiplayer multiplatform implementation of a card game engine. The card game engine is designed to be of general purpose core for several modules each defining the game specific behaviour.
    Downloads: 0 This Week
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  • 22
    2D graphic engine written in SDL and Perl
    Downloads: 0 This Week
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  • 23
    LightFire# is a fast and small Engine to create platform independent Games and Graphic Applications for Linux, *BSD and Windows Systems. It provides Graphic, Sound, AI and Network support. LightFire# uses OpenGL and is written in C#.
    Downloads: 0 This Week
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  • 24
    Longford

    Longford

    A cross platform Lua based game engine

    Longford is a 2D, Lua-based game engine for Windows. It has the following features: + Sprite hierarchy. Sprites drawn in order according to a display "tree" allowing grouping of complex drawings. + Frame update, keypress and (multi)touch events which propagate through the display tree. + Creation of Sprites including polygon Shapes and rectangular Bitmaps with transparency (import as PNG, JPG, GIF, BMP, TGA) + Creation of Textfields based on bitmap fonts. + Translation, rotation and scaling of sprites. + Box2D physics engine. + Play sound effects using WAV files and stream music using OGG files. + Automatic tweening system + Texture atlases so that many Bitmaps can be "cut out" of a single larger picture file. + Supports user-written shaders for advanced graphic effects. + Automatic resolution scaling. + Supports OpenGL or DirectX backend
    Downloads: 0 This Week
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  • 25
    MMORpgmaker
    A MMORPG Game Engine Writted in Monogame GL full C# Very easy to make a game. With simple Level Editor. Whit cross-plattform Server on .NET Core Tecnology Build your Cross-Platform Game whitout programming! Aviable for Xbox one, PS4, Android, iOS and more platform. Try Live Demo: http://www.makingitalia.net/MireWEB/ Project are migrated on Mire Engine. See Updated at: http://www.makingitalia.net/mire/
    Downloads: 0 This Week
    Last Update:
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