Verified Official Sources

Every card description, calendar year cadence, PC system requirement, and changelog entry on 9 Kings Wiki traces back to primary official announcements or structured community documentation:

• Official Steam Store Page (App ID 2784470): Release dates (EA May 23, 2025; Full 1.0 November 12, 2026), publishers (Hooded Horse & Sidekick Publishing), developer (Sad Socket), Steam Deck Verified status, pricing, and PC system requirements. (Steam Storefront)
• Official Steam News & Patch Archives (#01–#31 & 1.0 / 1.0.1): Exact patch dates, Patch #18 Calendar timing, Patch #19 Quest Mode launch, Patch #24 Ranked Multiplayer, Patch #29 Blood/Progress/Greed rework, and 1.0 launch notes for Daily Mayhem & The Joker.
• 9 Kings Community Wiki Archives: Complete wikitext and game sprite assets for all 9 Playable Kings, Rainbow Army, Card Types, Perks, Decrees, Events, and Royal Council pools.