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A Java game development framework that deploys to JVM, HTML5, Android and iOS.


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PlayN is a cross-platform Java game development library written in Java that targets HTML5 browsers (via GWT), desktop JVMs, Android and iOS devices.

Information on PlayN can be found in this README and on the PlayN project website.

PlayN developers, contributors, and users regularly communicate on the PlayN Google Group.

Building and Running

It is not necessary to build PlayN to use it. PlayN is shipped to Maven Central from where it will be automatically downloaded by projects that use it. However, you still may find it useful to build a local copy of PlayN in case you need to modify it when debugging your own game, to add new features, or to fix bugs you find in the PlayN code.

Building PlayN locally is very easy using Maven:

cd playn
mvn clean install

This will install the latest snapshot version of PlayN into your local Maven repository. You can then modify the playn.version property of your game to reference that snapshot version and your game will use your local copy of PlayN instead of a version downloaded from Maven Central.

Instructions for building and running the PlayN sample games can be found in the Documentation.


Unless otherwise stated, all source files are licensed under the Apache License, Version 2.0:

Copyright 2011-2015 The PlayN Authors

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under
the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied. See the License for the specific language
governing permissions and limitations under the License.


A Java game development framework that deploys to JVM, HTML5, Android and iOS.