Deckbuilder Roguelike Card Game Builder

Build your own deckbuilder roguelike in any theme from one prompt. A branching 15-floor map with fights, elites, shops, rest sites, events and treasure; 36 upgradable cards with real deck archetypes; 12 relics; enemies that show their intent; a two-phase boss. Seeded runs, autosave, unlockable difficulty levels, synthesized sound, touch, mouse and keyboard, plus an autoplay mode for trailers. One offline index.html. Tested with Claude Code on 4 themes.