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Math Villain
A free educational math game for kids. Play a villain cat, battle monsters, rescue dragons, and learn your times tables across 10 story missions.
Meet the villain →(I'm ShadowBlack. I live here. You're probably here for the cat. That's good. And yes, i am so cute. Thx.)
BILIBALA SHADOWPAW
Where weird ideas become real things.
4 live products · ∞ ideas · 1 opinionated cat
// who we are
Who we are
Bilibala Shadowpaw Limited is a Hong Kong-based software company that does two things:
We build for others — turning IT dreams into working products. Web apps, automation, custom tools, whatever you need.
We build for ourselves — because sometimes the best products come from solving your own problems.
We’re small, fast, and we care about every line of code we ship. No bloat. No BS.
“(We care about every line of code we ship. No bloat. No BS.)”
4Products launched
<2Years operating
∞Coffee cups today
// what we build
Our projects
// some live. some in progress. all real.
Active
SpellingMeow
An AI spelling scanner for parents and kids. Snap a worksheet, get audio dictation, and the cat auto-grades your child's handwriting.
Spell with Meow →
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Questa - The Question Cat
A curated library of questions that spark real conversation between parents and kids aged 1–17. Pick a theme — fantasy, self, reflection, friends, family, morality, conflict — and Questa picks the next one.
Meet Questa →
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Today's 8 Characters
Free daily BaZi & Four Pillars — today’s Heavenly Stems, Earthly Branches, Ten Gods & Tai Sui, calculated in your browser. No signup, no nonsense.
Read today’s pillars →
For Fun
Shadowpaw Car Parking Simulator
Because someone had to. A parking simulator with personality. It exists because it had to.
Try it →
Client Work
Your project here. We take on custom software — web apps, automation, IT problems. If you need humans who'll actually solve it, let's talk.
Tell us about your project →// keep us alive
Fuel the weird
Every coffee funds a late-night fix. Every Follow helps us stay visible. We don’t have investors — just a cat with opinions and a developer who runs on caffeine.
(Yes, i am cute and i love coffee. Please buy us a coffee if you like.)
All support goes to Bilibala Shadowpaw Limited. Keeps the lights on and the cat fed.