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Kodiak Sudoku
Sudoku without the ads. Keyboard-first. Daily leaderboard.
A fast, browser-based sudoku site that just lets you play. Free with no ads, no freemium, no popups. Full keyboard control with vim bindings, undo/redo, notes, hints. Daily puzzle with a leaderboard that ranks pure runs separately from runs with hints.
Hey Product Hunt — Raz here, maker of Kodiak Sudoku.
I play sudoku most mornings and got worn down by every app being a tax on my attention: ads between puzzles, "watch this video to undo," modal popups, paywalled hints. So I spent the last few weeks building the version I actually wanted.
A few choices that may be interesting:
🎹 Keyboard-first. Arrow keys, vim-style hjkl, undo/redo, notes, hints — every action has a shortcut. You can solve a whole puzzle without touching the mouse.
📅 Daily puzzle with an honest leaderboard. One shared puzzle a day. The leaderboard separates pure runs (no hints) from runs with help — most apps lump them together, which makes the top of the board meaningless. This was the bug I most wanted to fix.
🆓 Genuinely free. No ads, no freemium, no tracking beyond basic analytics. There's no monetization at all right now. I'll be upfront if that ever changes.
⚡ Quick play for short sessions, challenge links to send a friend the same puzzle, streaks if you sign in, anonymous play if you don't.
Stack: Next.js 15 / React 19 / TypeScript / Supabase + Drizzle / Tailwind / Vercel. Custom solver in TypeScript for difficulty grading.
Roadmap: speed notes, replay mode, killer/thermo/arrow variants, 6×6 mini for coffee-break solves.
Would love honest feedback — what's confusing, what's missing, what would make you come back tomorrow? And if you spot a bug, even better.
About Kodiak Sudoku on Product Hunt
“Sudoku without the ads. Keyboard-first. Daily leaderboard.”
Kodiak Sudoku was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #44 on the daily leaderboard. A fast, browser-based sudoku site that just lets you play. Free with no ads, no freemium, no popups. Full keyboard control with vim bindings, undo/redo, notes, hints. Daily puzzle with a leaderboard that ranks pure runs separately from runs with hints.
On the analytics side, Kodiak Sudoku competes within Productivity, Puzzle Games, GitHub and Games — topics that collectively have 795.7k followers on Product Hunt. The dashboard above tracks how Kodiak Sudoku performed against the three products that launched closest to it on the same day.
Who hunted Kodiak Sudoku?
Kodiak Sudoku was hunted by Raz Chiriac. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Kodiak Sudoku including community comment highlights and product details, visit the product overview.
Raz Chiriac