Guides, lore & dispatches

The Moonfall Blog

Guides, lore, and field notes from Moonfall — the free, AI-native card game where every card play is a prompt and every match becomes a manga story.

A luminous feathered serpent coiling through a violet, star-strewn sky. Getting started How to Play Moonfall A beginner's guide to Moonfall, the free AI card game where every card play is a prompt and an AI Game Master narrates what happens. 4 min read Read → A winged summoner holding a blade above a sea of cloud, weighing what passes and what does not. AI playtesting notes Automated Self-Play for AI Card Game Balancing Moonfall plays complete matches against itself and scores every finished one, so unclear cards get caught before players meet them. What ten batches showed. 3 min read Read → A vast cosmic dragon wreathed in nebulae, filling a dark violet sky. The category, explained What Is an AI Card Game? An AI card game uses a language model to adjudicate play instead of a fixed rules engine. Here's what that means — and how Moonfall works. 4 min read Read → A witch of the deep woods stirring a cauldron of starlight under a violet moon. Creation The Moon Foundry — A Guide to Fusing Cards How the Moon Foundry works in Moonfall — fuse two cards into a new one, discover recipes, and forge cards of your own. 4 min read Read → A colossal astral titan of stars and stone presiding over a darkened battlefield. Under the hood How Moonfall's AI Game Master Works Inside the AI Game Master that reads every card in context, narrates the match, and rewards creativity over net-decking in Moonfall. 4 min read Read → Nymori faces the viewer beneath a starry sky, her body formed from countless warm living lights. Creation Moon Dream — Conjure a Personalized Summoner How Moon Dream works in Moonfall — turn a few words into a personalized summoner and full spell deck, then take them into battle. 4 min read Read → A colossal sea serpent of blue scales coiling above a tiny ship at dusk. Collecting Collecting Cards, Packs & Stellar Variants A collector's guide to Moonfall — opening card packs, spending Stardust, chasing animated Stellar cards, unlocking cardbacks, and trading on the Moon Exchange. 3 min read Read → A dark maelstrom of black and violet, drawing loose cards down into a starless void. Design notes Why Moonfall Has No Health Bars Moonfall's cards have no attack or health numbers on purpose. Here's the design thinking — why an AI referee and pure prompts beat damage math. 3 min read Read → A maiden with star-woven violet hair, trailing constellations across a deep purple sky. Stories Share Your Story — Turn Your Match Into a Manga In Moonfall your match can become a shareable manga storybook. Here's how the panels are made, how to share them, and how to read a duel like a comic. 3 min read Read →