Life & fun · September 1, 2026
NumBizzz
Reinventing grid puzzles with deductive subtraction logic
NumBizzz launched on September 1, 2026 with 2 votes, #2,316 of 8,094 launches that month.
What it does
NumBizzz is the ultimate test of deductive subtraction. Solve uniquely generated matrices from 3x3 Sprints to 9x9 Marathons. Why Logic Masters love it: 📉 Matrix Logic: Master MRV Insight and Hidden Sum techniques. 🏟️ The Arena: Compete in Daily, Weekly, and Monthly global challenges. 🛡️ Privacy First: Automatic pseudonyms for the Global Top 50. 📊 Official Archives: Export pro Daily Snapshot PDFs of your wins. Find your flow state and conquer the grid! 🧘♂️🔢
Does a similar job
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Sumplete – A logic puzzle game invented by ChatGPT2023 · sumplete.com · ▲27Solve today’s 5x5 Sumplete grid in under 5 minutes. Delete numbers until each row and column hits its target sum. Track streaks, compare stats — play free on any device.
- LDLogiquiz – Daily Self-Referential Puzzles2025 · logiquiz.com · ▲38
Hey HN, About twenty years ago, while I was in college, I first stumbled upon James Propp's Self-Referential Aptitude Test [1] and absolutely loved it. Ever since then, I've had this idea of turning that concept into a daily game, and I've finally built it: https://www.logiquiz.com/ The game interface checks each question against the answers you've given, so it doesn't spoil anything by giving away the answers. There are five different tests each day, from very easy to very hard. I'd love to hear what you think! [1]: https://faculty.uml.edu/jpropp/srat-Q.txt
Swapple, a little daily puzzle on linear reversible circuit synthesis2025 · swapple.fuglede.dk · ▲72Swapple - A daily puzzle game where you transform patterns by swapping rows and columns. Challenge yourself to solve it in as few moves as possible!
Griductive - Daily Logic PuzzlesMar 2026 · knotwise.games · ▲1A new deductive logic puzzle every day
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