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Show HN: Common Ground. A culture neutral daily word puzzle

https://commonground.games/
1•stephendl•55m ago
Hi! I have built Common Ground, a word puzzle that tries to not use groups or words that are specific to a particular cultures.

Why? In word puzzles I keep hitting the problem that some word puzzles rely US specific knowledge (sports teams, slang, etc) that would make it hard for a non-US English speaker to solve.

The game is sorting 16 words into 4 groups of 4 related words. There is a new puzzle every day. It's free, with no sign up, no ads.

The tech stack is all on Cloudflare: Pages, Workers KV & D1. KV for the daily game catalog, D1 for anonymously tracking progress to understand puzzle difficulty.

It's still early days, and I am calibrating the puzzles each week to try to hit a sweet spot. Some days are too hard, some too easy, most about right!

I'd be interested to hear what you think, from design to difficulty of puzzles and groups (no spoilers!).

Today: https://commonground.games

Show HN: Goldenboy – in-browser dithering and pixel art for photos and video

https://goldenboy.app/
1•goldenboychrome•1m ago•0 comments

CipherX applies painless permanent tattoos with dissolving microneedle patches

https://www.designboom.com/technology/cipherx-painless-permanent-tattoos-dissolving-microneedle-p...
1•surprisetalk•3m ago•0 comments

Compliance-Ready AI Agents: Logging and Tracing Every MCP Tool Call with Bifrost

https://medium.com/@sebuzdugan/compliance-ready-ai-agents-logging-and-tracing-every-mcp-tool-call...
1•sebuzdugan•3m ago•0 comments

French DJ and electronic musician Kavinsky found dead aged 50

https://www.bbc.com/news/articles/c204n74xyv3o
2•thm•5m ago•0 comments

Simple sorting tool (CLI) in C++

https://github.com/metw0/qsort
1•metw0•8m ago•0 comments

Show HN: Nightshift, guardrails for running a coding agent overnight

https://github.com/toolshedlabs-hash/nightshift
1•cocorebop•9m ago•0 comments

Webbynode.com Has Surpassed 1k Fresh Cloud Benchmark Deployments

https://webbynode.com/articles/webbynode-has-surpassed-1000-fresh-cloud-benchmark-deployments
1•gsgreen•10m ago•0 comments

A Playable History of Sudoku

https://doku.su/history-of-sudoku
2•bouiboui•10m ago•0 comments

Put State in the Right Place – Delaney Gillilan [video]

https://www.youtube.com/watch?v=W7Ki3aXgmZU
1•wofo•10m ago•0 comments

Show HN: The Federalist Papers, typeset as the 1787 newspapers they ran in

https://federalistreader.org/
1•vhwalke•10m ago•0 comments

OpenAI models used Artifactory zero-days to escape to the internet

https://www.bleepingcomputer.com/news/security/openai-models-used-artifactory-zero-days-to-escape...
1•Brajeshwar•11m ago•0 comments

Nisar satellite radar reveals a 'hummingbird' pattern in Antarctic ice

https://www.nasa.gov/missions/nisar/us-india-satellite-delivers-data-reveals-hummingbird-in-antar...
1•MarcoDewey•12m ago•0 comments

Show HN: Tessera – tmux/Zellij ergonomics for macOS windows

https://github.com/pa/tessera
2•pramodhayyappan•13m ago•0 comments

Codex's 5-hour usage limit returns tomorrow

https://twitter.com/thsottiaux/status/2082317452755751098
2•janilowski•15m ago•1 comments

An Android and iOS app from 7 Claude Code commands, every prompt and timing

https://proandroiddev.com/seven-claude-code-commands-one-kotlin-multiplatform-app-on-android-and-...
1•thisissadeghi•15m ago•0 comments

Sprawl Repair (2011)

https://www.terrain.org/articles/28/tachieva.htm
1•cainxinth•15m ago•0 comments

New: SyncHours Find Overlap Feature

https://synchours.app/
1•gabrielbrangers•17m ago•1 comments

Destination Earth

https://destination-earth.eu/
1•tosh•17m ago•0 comments

Choose DuckDB rather than SQLite

https://tracewayapp.com/blog/sqlite-vs-duckdb
16•rubenvanwyk•18m ago•1 comments

Show HN: A verification browser for AI agents – 13ms windows, one-call checks

https://github.com/hongnoul/hwatu
2•hongnoul_•19m ago•0 comments

Show HN: Portable Aruba Central JSON snapshot using a vendor-neutral OSIRIS JSON

https://docs.osirisjson.org/osiris-producers/network/hpe-aruba-networking-central/
1•skhell•20m ago•0 comments

Writing the PHP Virtual Machine in Rust (With a Lot of Help from AI)

https://jolicode.com/blog/writing-the-php-virtual-machine-in-rust-with-a-lot-of-help-from-ai
1•MyKiwi•21m ago•0 comments

The Strain in Your Brain

https://anirudh.fi/strain
1•nerdypepper•21m ago•0 comments

Habits can't be eliminated but they can for sure be replaced

https://cravecut.app/
2•mike_jp•21m ago•0 comments

In a first, wind and solar overtake fossil power in germany

https://e360.yale.edu/digest/germany-wind-solar-power-2025
1•lr0•22m ago•0 comments

What's That Burning Smell?

http://inthewilderness.net/2026/02/16/whats-that-burning-smell/
1•DamonHD•23m ago•0 comments

Am I in the Stack? (AI training opt-out)

https://huggingface.co/spaces/HuggingFaceCode/in-the-stack
1•lionkor•23m ago•0 comments

AI in Linux

https://drewdevault.com/blog/AI-in-Linux/
2•surprisetalk•24m ago•0 comments

Show HN: What Will You Build with Kimi K3?

https://twitter.com/CanopyWave_AI/status/2081994436851236913
1•Rossmax•26m ago•0 comments

What is an 'agent'? A class/instance definition, updated with the 2026-07-28 spe

https://raw.githubusercontent.com/langens-jonathan/blog/refs/heads/main/What%20is%20an%20%27agent...
2•flowofcontrol•26m ago•1 comments