Announcement
Update – June 22, 2026
Updates: Added scripted battle functionality. Fixed various known issues.
Steam
Boss Key
Also known as Boss Key, bk, boss key
An all-in-one toolkit for card game development. Visually design, test, and deploy your game with smart templates and live previews. No code needed—turn your ideas into playable trading card games, quickly and solo.
Last update
22 Jun 2026
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- June 2026
- Update on June 21, 2026New: Added custom mouse hover tooltip feature. Updates: Optimized data browsing experience. Fixed several known bugs.
- Update – June 20, 2026New Features: Added debug functionality to the battle interface. Improvements: Enhanced the right-click menu functionality. Improved the layout functionality. Reorganized the categories in the top menu bar. Fixes: Resol…
- Major Update to the Card Game EditorThe editor interface has been completely revamped, with several new functional modules added. Cheers~
- February 2026
- Cumulative Update – New Year 2026 EditionNew modules in this update: File Manager: Create and manage player-customized projects and related files Rule Designer: Design and customize gameplay rules Card Editor: Edit and create game cards Data Manager: Manage in…
- Game UpdateAdded: File Manager Rule Editor Fixed: Various known issues
- January 2026
- Game UpdateNew: Multiplayer mode Real-time room chat (beta) In Development: Battle feature Fixed: Various known issues Thank you for your support!
- Game UpdateUpdated the Battle Interface Fixed Some Bugs
- December 2025
- Notice on Conducting the Second Comprehensive Software Functionality TestTo All Researchers, According to the work plan, we will commence the second software functionality test on December 29, 2025. This test covers a wide range of areas, encompassing nearly all major functional modules of t…
- November 2025
- Dear Researchers, This is a moment worth commemorating! After years of persistent development and optimization, BOSS KEY has completed all core content updates for its initial feature testing phase. This is not only a s…Patch notes
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