0.18.15-beta
June 24, 2026
Open!batoru is a long-running fan project developed independently. Development continues as time allows, with no commercial intent or fixed roadmap.
0.18.15-beta
June 24, 2026
Diva: All
Key: WXK01~05
Client/server stability improvements, WX26-P1 and WXK06 support
Client source release and additional features
Handles phases, timing, triggers, and card interactions automatically so players can focus on the match.
Play real-time matches online with room-based matchmaking, timers, chat, spectators, replays, and reconnect support.
Build, edit, import, export, and test decks with an integrated card database.
Help shape the platform through feedback, bug reports, testing, and suggestions.
Automated matches with guided actions and visual effects.
Search, filters, deck editing, importing, and exporting.
Create and join rooms, spectate live matches, watch replays.
Review past matches, inspect turns, and revisit key moments.
Choose your operating system. Each package includes platform-specific setup notes.
Desktop only: Android, iOS, and other mobile platforms are currently not supported.
Beta notice: Open!batoru is still under active development. Bugs, missing features, and occasional unusual behavior are expected.
Languages: Interface and card text are available in multiple languages. Change the language in Settings, then restart the client to apply it.
update.bat first to make sure the client files are up to date.LAUNCH.bat to start the client. The first launch may take a little longer while card data is prepared.
If the launcher or updater does not start properly, try extracting the client to a simple folder path such as
C:\Games\OpenBatoru, and avoid special characters in the folder name.
./update.sh first to make sure the client files are up to date../launch.sh to start the client. The first launch may take a little longer while card data is prepared.
If the scripts do not start, make them executable with:
chmod +x update.sh launch.sh
UPDATE.command first to make sure the client files are up to date.LAUNCH.command to start the client. The first launch may take a little longer while card data is prepared.
If macOS blocks UPDATE.command or LAUNCH.command, hold Control, click the file, choose Open, then confirm.