W3C Hackathon TPAC 2025: Kobe Edition

Join fellow TPAC attendees for an evening of quick prototyping, fresh ideas, and nerdy prizes. This is your chance to build, learn, and share, all in the spirit of making Web standards better.

All skill levels welcome!

About

An evening of fun awaits, beyond the formal TPAC schedule.

Date & Time

Date: 11 November, 2025 Time: 19:00–22:30 JST

Location

Venue: Room 501/502, International Conference Center, Kobe

Schedule (JST)

19:00 — Check-in & challenge overview
19:30 — Building starts (90 minutes)
21:00 — Submissions close
21:30 — Lightning demos & voting
22:00 — Prizes & wrap-up

Dinner will be provided throughout the event.

Choose Your Challenge

Pick one track and keep scope tiny. The exact challenges will be revealed closer to the date.

Challenge #1

Stay tuned!

More details coming soon.

Challenge #2

Stay tuned for this one too!

More details coming soon.

Participation Guidelines

Rules

You have 90 minutes to build or sketch.
Work solo or in a pair.
Original work during the hack; reusing your own snippets is fine.
AI tools are allowed, but be ready to explain your process.

Submission format

Your project should be in a GitHub repo you create.
Include your code files or any other materials (images, etc.) and a 1–2 sentence summary in the README.
Create a PR to this repo's submissions.yaml before the 21:35 JST deadline.

Submissions

Projects will be showcased here after the event.