If you’ve ever tried to learn Seotda—the classic Korean gambling game played with hwatu flower cards—you’ve probably hit the same wall I did: there are 29 different hands, the ranking order is weird, and reading a rules page once doesn’t make it stick. You need repetition, but sitting with a chart gets boring fast.
So I built a quiz app to drill the rankings into muscle memory.
Why I Built This
I wanted to learn Seotda properly, but the hand hierarchy wasn’t clicking. Unlike poker, where flushes beat straights and you build intuition over time, Seotda has special pairs (광땡, 땡), ten “ttaeng” pairs, six oddball “kkeut” combos, and ten regular “kkeut” hands—and they don’t rank the way you’d expect. I kept forgetting whether 알리 (Ali) beat 독사 (Doksa), or where 장삥 sat relative to 장사.
Reading the rules again didn’t help. What I needed was short, repeated quizzes—the kind of spaced repetition that actually makes rankings stick. So I built exactly that, using real hwatu card artwork from the National Folk Museum of Korea.
What It Does
- Reference mode: Browse all 29 hands organized by category (Gwangttaeng, Ttaeng, Special Kkeut, Regular Kkeut). Tap any hand to see the hwatu cards that form it and a clear explanation.
- Three quiz modes: “Identify” asks you to name a hand from the card art. “Compare” shows two hands side-by-side and asks which wins. “Counter” asks which hand beats a given one—useful for actual table play.
- Hand evaluator: Pick any two hwatu cards and instantly see what hand they form and where it ranks. Good for settling disputes or checking your gut.
- Stats tracking: See your accuracy per quiz mode so you can watch yourself improve.
- Bilingual support: Full Korean and English text, with romanized hand names so non-native speakers learn the proper terms.
The app works offline, doesn’t require an account, and keeps all progress on your device. It’s designed for 1-2 minute learning bursts—open it, run through five questions, close it.
Who This Is For
This is a learning tool, not a gambling app. It’s for anyone trying to learn Seotda for the first time, casual players who can never remember the middle-tier hands, poker players mapping their intuition onto Korean rules, or travelers and language learners exploring Korean card culture. If you’ve ever sat at a Seotda table and had to ask “wait, does this beat that?” more than once, this will help.
The app is free with non-intrusive banner ads. It’s rated for general audiences but not intended for kids under 14 without supervision. If you’re learning Seotda or just curious about hwatu cards, give it a try.
Download on Google Play: Seotda – Hwatu Hand Rank Quiz
Official page: reactiveworks.dev/apps/seotda-rank-trainer
Update history: ahngo13.github.io
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