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Show HN: DanceJump – play a DDR-style dance game on YouTube (Chrome and Edge)

https://microsoftedge.microsoft.com/addons/detail/dancejump-for-youtube/kjcikodgaapodnjkhhmaobbkcbacleok
1•maaydin•1h ago
Hi HN,

DanceJump is a small browser-based, DDR-style rhythm game that runs directly on top of YouTube videos. The Edge add-on was just approved, so it’s now available on both Chrome and Edge.

The idea is simple: press play on any YouTube video and get instant DDR-style gameplay. Step charts are auto-generated from the audio, so there’s no need to search for chart files or set anything up. With auto-charting, the goal is accessibility and low friction: making rhythm gameplay easy to access. It is still possible to load and play your stepfiles from disk for pro experience.

Controls & input

Keyboard: WASD Steps B Start N Select

Select + W/S: Change Difficulty

Hold Select (2s): Join Game (Multiplayer only)

Dance Pad / Controller: D-Pad / ABXY Steps Start / Menu Start Select / Back Select

Settings

All settings are available from the extension puzzle/menu popup, pin it for easy access.

- Audio sync / offset adjustment (important for TVs, HDMI, Bluetooth audio) - Difficulty and density controls - Input mapping options - Chart library

More detailed control and setup info is here: https://dancejump.com/extension/help

Firefox support is in progress. Feedback especially around timing, onboarding, and pad play is very welcome.

Apple testing new App Store design that blurs the line between ads and results

https://9to5mac.com/2026/01/16/iphone-apple-app-store-search-results-ads-new-design/
1•ksec•42s ago•0 comments

GoCrazyAI – An unfiltered AI image and video generator

1•gocrazyai•1m ago•0 comments

NASA Technology Spinoffs Archives

https://spinoff.nasa.gov/spinoff/archives
1•o4c•2m ago•0 comments

Things GenAI Needs for Better Content Design [video]

https://www.youtube.com/watch?v=WfHBINzB0Ps
1•ArneVogel•2m ago•0 comments

An idea that several novices tried to complete on a weekend

https://github.com/hdcola/metapi
1•hdcola•3m ago•0 comments

Teaching LLMs to Stop Wasting Tokens

https://codereviewr.app/blog/teach-llms-to-stop-wasting-tokens
1•sousvidal•3m ago•0 comments

Technology Readiness Levels

https://www.nasa.gov/directorates/somd/space-communications-navigation-program/technology-readine...
1•o4c•4m ago•0 comments

Stocks sell off globally as traders digest Trump message

https://fortune.com/2026/01/19/stocks-sell-off-trump-text-message-greenland-nobel-peace-prize/
1•doener•4m ago•0 comments

Removal of GTK2 from forky (Debian 14)

https://lists.debian.org/debian-devel/2026/01/msg00090.html
1•birdculture•8m ago•0 comments

Building live collaboration in Rust for users, part 1

https://www.photoroom.com/inside-photoroom/building-live-collaboration-in-rust-for-millions-of-us...
1•ea016•10m ago•0 comments

Show HN: "htop" for PyTorch training, see stalls, memory and step time live

1•traceopt•11m ago•0 comments

Show HN: Tsshd – mosh-like SSH with QUIC, roaming and full OpenSSH compatibility

https://github.com/trzsz/tsshd
1•LonnyWong•11m ago•0 comments

Generate professional App Store previews instantly with AI

https://appscreenshotstudio.com/
1•Welten01•12m ago•1 comments

Show HN: PolicyBind – AI Policy-as-Code with real-time token access control

https://github.com/clay-good/policybind
1•hireclay•13m ago•0 comments

Ask HN: Will there be resurgence of webapps instead of app store?

1•omnifischer•13m ago•1 comments

Sled is Claude Code on your mobile with voice

https://sled.layercode.com
2•dctanner•13m ago•1 comments

Happy 40th birthday Apple Lisa

https://computerhistory.org/blog/the-lisa-apples-most-influential-failure
1•stmw•14m ago•0 comments

'Are You Dead?': The viral Chinese app for young people living alone

https://www.bbc.com/news/articles/c3381r5nnn6o
2•mooreds•16m ago•0 comments

Causes of global extinctions in the history of life: facts and hypotheses (2020)

https://pmc.ncbi.nlm.nih.gov/articles/PMC7716527/
2•mooreds•17m ago•0 comments

The Memory-Transfer Episode

https://www.apa.org/monitor/2010/06/memory-transfer
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Understanding the psychology behind product decisions

https://designexplained.substack.com/p/understanding-the-psychology-behind
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Mestastic on Family Cruise – Worked Great for Family of 4

https://old.reddit.com/r/meshtastic/comments/1qd2z97/mestastic_on_family_cruise_worked_great_for/
2•lormayna•21m ago•0 comments

Back-scratching bovine leads scientists to reassess intelligence of cows

https://www.theguardian.com/science/2026/jan/19/back-scratching-cow-veronika-bovine-intelligence
2•n1b0m•21m ago•0 comments

Show HN: Eigent – the open source alternative of Cowork

1•camelaiorg•23m ago•0 comments

Let's Play Quakeworld

https://fabiensanglard.net/quakeworld/
1•_pob•23m ago•0 comments

How to Get Your First Users [video]

https://www.youtube.com/watch?v=0kARDVL2nZg
1•gmays•23m ago•0 comments

2026 Linux Audio Conference Focus on LLMs and Floss

https://lac26.mucs.club/
3•Lanedo•24m ago•0 comments

Show HN: Pipenet – A Modern Alternative to Localtunnel

https://pipenet.dev/
3•punkpeye•26m ago•0 comments

PicoPCMCIA – Yyzkevin

https://www.yyzkevin.com/picopcmcia/
1•rbanffy•26m ago•0 comments

New milestones for Nyno (open-source n8n alternative for AI Workflows, Jan. 26)

https://nyno.dev/new-milestones-for-nyno-open-source-n8n-alternative-for-ai-workflows-january-2026
3•theyogadev•27m ago•2 comments