Download Vassal, the free, open-source boardgame engine. Vassal runs on Linux, Mac OS X, Windows, and any other system which has a Java JRE. Find your operating system below for instructions for downloading and installing Vassal.
Vassal 3.4.11
This is the current release. See the release notes for details.
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Notes
Mac OS is a computer operating system developed by Apple.This is a operating system with beautiful interface, however, to own a the computer of Apple with this operating system, you need to use a lot of money, normally with the double price than that of common computers using Windows operating system.Fortunately, you can experience the Mac OS right on your computer by installing a Mac OS. For about 3 months, the Java update flashes for me to install. I give permission to install it and it always shows that the update download has failed to install. I don't know how to fix the problem and I don't know what Java is or does, but my securtiy system has OK'd it as safe.
- NetBeans is a software development platform written in Java. It is an official IDE for Java 8 development. It was developed and released by Sun Microsystems which was later acquired by Oracle. NetBeans 8.2 was released on October 3, 2016. In this tutorial, we will learn the steps involved in the installation process of NetBeans on MacOS.
- In this video I show you the only solution for the java installer: download failed error that happens while java is updating automatically.
All Operating Systems
Java Download Failed
Vassal 3.4.11 requires Java 11 or later. The Mac OS X disk image and the Windows installer come with the version of Java Vassal will use. For Linux and other operating systems, install Java before running Vassal.
Older Releases

Java Download Fails Mac High Sierra
Older releases of Vassal are available in our release archive. We do not recommend older releases for normal use. If you find it necessary to use an older release due to a flaw in the current release, please file a bug report.