It's chess, but you replace your entire army with a royal shotgun, with some roguelike elements.
Timeline
Shotgun King: The Final Checkmate (S) $8.74 via eShop.
$9.36 via PSN.
$6.99 (DRM: Steam) via Green Man Gaming. XP Offer. Use Code BDAY14 if not a XP Member.
(PCDD) Shotgun King: The Final Checkmate $6.99 via Steam.
bread's done