Galaxywar is a browser-based space strategy game where players compete to build their standing among others in a shared universe. Designed to run in a standard web browser, it lets players get started by registering for an account and choosing a universe. The site lists Kalypso as an available universe, with medium difficulty and doubled game speed, and provides information about player activity and server status.

Galaxywar supports an international player community, with the website available in multiple languages, including English, Portuguese, Chinese, Spanish, German, Turkish, Russian, Italian, and French. Players can find game rules, news, screenshots, and community resources such as a forum, Battle Hall, and banlist. Account tools include login and password recovery. The site also features announcements about updates and maintenance, helping players stay informed about the game. Galaxywar is presented as a competitive, multiplayer experience for people interested in space-themed strategy and playing alongside other participants online.