You sunk my battleship! tl;dr Use {sortable} in a {shiny} app to build card games, maybe? I mocked up a demo and made it available on the web with {shinylive}. Balatro LocalThunk1—the anonymous creator of Balatro, the hit poker-inspired roguelike videogame2—revealed recently that 11,000 years of gameplay have been sunk into the game. The average productivity of the universe has continued to drop now that the game is available on mobile. I am one of the suckers that made the purchase. As a...