Open Source Java Game Engines for Mac

VASSAL is a game engine for creating electronic versions of traditional board and card games. It provides support for game piece rendering and interaction, and supports play by email or over a live connection.

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 supports a special test mode for testing combos and other game situations with pre-defined conditions. There are public servers where you can play XMage against other players. You can also host your own server to play against the AI and/or your friends. Supports special formats like Commander (up to 10 players), Oathbreaker, Cube, Tiny Leaders, Super Standard, Historic Standard and more.

CoffeeMud is a text-based virtual reality game engine (a MUD). It is a mature, full-featured Java codebase. It includes web (HTTP) and email (SMTP) servers, chat (IMC2 and I3) and web clients, and supports ANSI, MXP, and MSP.

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..

Java port of the Quake2 game engine

JURPE (Java Universal Role Playing Engine) is a Java API to support the writing of new computer RPG games based on a skill based, three dice RPG system. It comes with a full featured game demo of a medieval warrior crawling into a monster filled dungeon

DimensioneX is a free Massive Multiplayer Game Engine. It lets you develop and then run or host browser-based, graphical multiplayer games. The users will play games simply via their browser. DimensioneX runs on any Java-enabled web server (eg. Tomcat)

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!

Gold Chest is a new game engine inspired by the old gold-box styled RPG games. My goal is to create a game with the same Look and Feel of the gold-box games while bringing to it newer graphics, sounds, music and network play.

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

Cardhouse is an online card game engine that supports a wide variety of games. The client is independent of the card game rules and new games can be added to the server without it having to reboot.

Cyber Knight is a game engine for developing educational software for computer science. The platform features an isometric tile engine and a code visualizer for python.

Eisai is a project to build a Visual Novel game engine and editor and to deploy a visual novel on those developed products. The engine will be licensed with the LGPLv3 and the editor will be covered by the GPLv3. All artwork, music and writing will be covered by the Creative Commons Attribution-ShareAlike license.

A light, Java based 2D game engine. Easy to use, powerful when you need it, no unneeded bells and whistles to slow you down.

A portable game engine, which also allow make applets.

Friendly Object-Oriented Game Library , 2D Java Game Engine based on Slick2D and LWJGL. This library was designed for students and primer Java programmer.

A multiplatform game engine for interactive fiction experiences. It makes use of JLayer API, available at http://www.javazoom.net/javalayer/javalayer.html

Jepe is an Pokémon Game engine. We have been working on pokémon fan games for quite a while now, but found no easy framework to program them. Therefore we are making this engine.

JGachine (Java Game machine) is a networked game engine for 2D multi-player (networked) games. JGachine is written in Java and C++. The games themselves are written in pure Java and can be loaded via network. (JGachine as game browser)

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.

Please visit our new website at http://moncefyabi.github.io/Joge/ Joge - Java OpenGL Game Engine- is a platform to develop 2D game (3D in the future) in Java. It´s simple to learn, fast, extensible and has an extra GUI system. For installation and Video tutorials see project website. Joge, the best Java game engine.

A browser game framework implemented with Grails. The goal of Little Goblin is to create a game engine that allows you to "just add content" and you will be able to host a game that is only limited by your creativity.

A 3D game engine in java. This game engine should be usable by anyone that want to create 3d game in java without having to use vbo, shader or direct call to opengl. This api most be easy to use and efficient.

Macchiato Doppio is a Java game engine emphasizing cross-platform interoperability, and 2D and 3D support. We've just re-created the foundation of the game engine, and we're working on making things easier with more advanced tools and documentation. Currently we're focused on 2D gaming, but we'll be moving on to 3D gaming when we've got a good, tested 2D platform working.

A mobile game distributed server implemented using netty4.X, supports tcp, udp, http, websocket links, uses protobuf custom protocol stack for network communication, supports rpc remote calls, uses mybatis3 to support db storage sub-database sub-table, supports asynchronous mysql Storage, update the reids cache synchronously when the db is saved. Use the ExcelToCode project to generate java classes and json data dictionaries from excel data, and DictService directly reads json to reduce part of the data dictionary code. Use the game-executor project to increase the asynchronous event global service in the game, support event sharding, and balance asynchronous execution event logic. Use netty's proxy mode to increase gateway proxy forwarding.