LeetCode for Puzzles and Riddles

What it does

Started creating these puzzles as a way to bring engineers together during the quarantine period on something they like to do. Realized there's some demand for these original ones and hence creating two every week. On the lines of LeetCode for puzzles.

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  Leetle2025 · leetle.app · ▲143

  LeetCode meets Wordle

• IM
  I made a spaced repetition tool to master coding problems2024 · lanki.xyz · ▲206

  As you solve LeetCode questions, you can mark them as hard, medium, or easy. The tool will then recommend questions you should review based on (1) how hard the question was for you and (2) how much time has passed since you last reviewed it. I'd recommend normally attempting LeetCode problems and just marking them as hard, medium, or easy for you at first so the tool knows which problems to recommend you review! Here's the theory behind spaced repetition and learning if interested: https://www.codecademy.com/article/spaced-repetition

• TL
  Tiny logic and number games I built for my kids2025 · quizmathgenius.com · ▲87

  I’ve been building a few small games to help kids (and curious adults) build reasoning and logic skills. Think Word Ladder, Prime Hunter, Math Maze ,all in the browser, no installs. Would love feedback or suggestions for new types of puzzles

• IM
  I made an interactive math crossword puzzle with infinite levels2024 · scientific.place · ▲165

  Hey there! I'm the brains behind the math crossword game on my site. This game is all about making math a little more fun – users just drag and drop numbers to fill in the blanks and move on to the next level if they get it right. Let me know if face any issues or have any suggestions! :)

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  SolveFaction2020 · ▲77

  Short mobile LeetCode-like challenges in game-like app

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  Riddle Quiz－Trivia Logic Fun2023 · ▲76

  Test your IQ, brain, knowledge

• TL
  The load-bearing vocabulary of Claude▲710

  Life & fun · 15d ago · louisabraham.github.io

• WI
  What if the speed of light was 5 km/h?▲562

  Special relativity simulator in which light crawls along at a human speed, so Lorentz contraction, aberration and Doppler shift happen at walking pace.

  Life & fun · 22h ago · rivendell.dmitrybrant.com

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  Articos▲398

  Launch with confidence, not gut instinct

  Life & fun · 16d ago · articos.com

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  The same nine streaming subscriptions cost $702/year more than in 2021▲364

  9 major streaming services cost $95.91/mo in 2021-03 and $154.41/mo today — up 61%, or $702 a year. Every change sourced.

  Life & fun · 13h ago · honestlyranked.com

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  Nex▲363

  Claude Cowork for high-volume GTM workflows

  Life & fun · 8d ago · nex.ai

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  Notify.domains▲321

  Know the moment a domain opportunity appears

  Life & fun · 13d ago · notify.domains

• IM
  I made a site where you practice typing by retyping entire novels▲1,589

  Life & fun · 2020 · typelit.io

• IB
  I built a Rotten Tomatoes-style platform for durable products▲1,392

  Life & fun · 2020 · buyforlifeproducts.com

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  Secureframe▲1,072

  Get enterprise ready with SOC 2 and ISO 27001 compliance

  Dev tools · 2020 · secureframe.com

• 
  Raindrop.io 5.0▲766

  All-in-one bookmark manager

  Life & fun · 2020 · raindrop.io

• WW
  What would mechanical programming look like?▲719

  Life & fun · 2020 · mockmechanics.com

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  Vowel (Beta)▲696

  A video conferencing tool that makes meetings better.

  Work · 2020