Vassal (game engine)

Vassal Engine
Developer(s)The Vassal Team.
Initial release2002 (2002)
Stable release
3.7.15 / November 7, 2024 (2024-11-07)
Repository
Written inJava
Operating systemAny
PlatformCross-platform
Available inMultilingual (English and 6 other languages)
TypeGame engine
LicenseGNU LGPLv2+
Websitevassalengine.org

The Vassal Engine is a game engine for building and playing online adaptations of board games, tabletop games and card games. It allows users to play in real time over a live Internet connection, and also by email (PbeM). It runs on all platforms, and is free, open-source software. For example, there is a Star Wars Miniatures module, where players can play with up to three others in a digital replica of the table-top game.

It is written in Java and the source code is available from GitHub under the LGPL open source license.