Vassal Engine
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.[1][2] 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.
|  | |
| Developer(s) | The Vassal Team. | 
|---|---|
| Initial release | 2002 | 
| Stable release | 3.6.5
   /    February 10, 2022 | 
| Repository | |
| Written in | Java | 
| Operating system | Any | 
| Platform | Cross-platform | 
| Available in | Multilingual (English and 6 other languages) | 
| Type | Game engine | 
| License | GNU LGPLv2+ | 
| Website | vassalengine.org | 
It is written in Java and the source code is available from GitHub under the LGPL open source license.[3]
History
    
Vassal began as VASL (Virtual Advanced Squad Leader), an application for playing Advanced Squad Leader.[4]
Available modules
    
Vassal modules exist for over 1000 games, some of which are listed here. A more comprehensive, but not exhaustive, list of modules exists on the Vassal module site list.
Tabletops
    
- Star Wars: X-Wing Miniatures Game Presently the most commonly played Vassal module, with over 30% of total traffic.[5]
- V40k, a Warhammer 40,000 module.
- Star Wars: Armada
- Warmachine and Hordes[6]
- Malifaux
- Battlefleet Gothic[7]
Boardgames
    
Copyright and licensing
    
In September 2008, Games Workshop issued a cease-and-desist order regarding V40k to Tim Davis, the V40k module maintainer at that time.[11] The module is still played.
Games Workshop has also issued a cease-and-desist order regarding Space Hulk.
References
    
- Geryk, Bruce (August 2007). Green, Jeff (ed.). "Line of Attack: Your monthly guide to hard-core wargaming" (Print Magazine). Games For Windows. Ziff Davis Media (09): 92. Retrieved 3 August 2021.
- Ardwulf's Lair (7 October 2015). Exploring the Vassal Engine for Online Boardgaming and Wargaming. Retrieved 22 Jul 2021.
- "Official Vassal Website". Archived from the original on 2021-07-22. Retrieved 2006-08-18.
- R.Flaibani. "The Master and His Vassal". Archived from the original on 31 March 2015. Retrieved 20 April 2015.
-  "Archived copy". Archived from the original on 2017-06-20. Retrieved 2017-09-10.{{cite web}}: CS1 maint: archived copy as title (link)
- "Warmachine&Hordes Vassal Module Download". Archived from the original on 2021-07-22. Retrieved 2012-05-21.
- "Download Source for Battlefleet Gothic Module". Archived from the original on 2011-05-20. Retrieved 2008-05-08.
- "Module Shadows over Camelot Download". Archived from the original on 2012-02-22. Retrieved 2008-05-08.
- Playing Cards
- Module Site
- "GW V40k Legal Action". Archived from the original on 2021-04-01. Retrieved 2008-12-30.
-  "Archived copy". Archived from the original on 2019-01-26. Retrieved 2019-01-17.{{cite web}}: CS1 maint: archived copy as title (link)
-  "Archived copy". Archived from the original on 2021-02-14. Retrieved 2021-07-22.{{cite web}}: CS1 maint: archived copy as title (link)