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The open-source boardgame engine

Build Status License: LGPL v2

VASSAL is a game engine for building and playing online adaptations of board games and card games. Play live on the Internet or by email. VASSAL runs on all platforms, and is free, open-source software.

Getting started

Minimum Requirements

VASSAL 3.7 requires Java 11 or later.

The Windows and Mac packages have an appropriate version of Java bundled with them, so there is no need to install Java separately on those operating systems. On Linux, use your package manager to install Java 11 or later.


Get the current release. Read the release notes to see what's new.


Bug reports

Please report bugs in the Technical Support & Bugs section of our forum.

Developer's guide

Read the Developer's guide


This project is licensed under the terms of the LGPLv2 license.


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