Dates and details

There are holes in the internet.Se4rch, and fill them in.

202611/21 (Sat)11/28 (Sat)12/12 (Sat)Keep these days free

We have put holesall over the internet.

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Street View of Route 134 at Shichirigahama, looking towards Enoshima; above the road sign, the view is missing in the shape of a puzzle piece.

We've been cutting holes all over the internet for this. Some you can fill with something you saw once. Some are filled only in somebody else's memory.

How you solve itis up to you.

Screens you recognise. Interfaces you've used before. Do you type something in? Pick something out? Sort it? Drag it? You find out on the day.

Fill the holewith the piece that belongs there.
Route 134 at Shichirigahama, looking towards Enoshima. The road sign above has a piece cut out of it.
se4rch.net

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10 items

is that kind of event.

Come see the questions we have in store for you —
Join

11/21 (Sat)11/28 (Sat)12/12 (Sat)
Still going

Yourway in

  1. Login

    Sign up at se4rch.net online by November 14th alone or as a team of up to three.

  2. Hello, World

    Online on November 21st we will walk everyone through how the system works.

  3. Net Surf

    November 28th is the national competition. That's when we open the questions we've been saving to everyone in Japan.

  4. World Wide Web

    On December 12th the top five teams from each country compete on se4rch.net. The top three finishers share a prize pool of $2,000.

Join

Everyone taking partis somewhere else in the world,online at the same time.

Pick a language to see another country's site.Press a language to switch the site.

【Dates and details】

November 21st (Sat)Hello, World

November 28th (Sat)Net Surf

December 12th (Sat)World Wide Web

2026 · 4PM—5PM JST / ONLINE

Make sure you keep these three dates free! November 21st (kickoff) and November 28th (national competition) are for everyone to compete.

The top five teams from the national competition on November 28th will be invited to the Global Competition (World Wide Web) on December 12th.

The teams that qualify for the World Wide Web from Taiwan, Mongolia, Thailand, Japan, and elsewhere will take on the same questions online all at the same time.

The top three teams, determined by a ranking of number of correct answers, in the World Wide Web competition will split a prize pool of $2,000.

【Entries close】
Saturday, November 14th, 2026
【Who can enter】
Ages 13 to 30
【Format】
Teams of 1-3 players
【Entry fee】
Free
【Organised by】
Classroom Adventure Inc.
Join
readme.txt

The top three teams share
a prize pool of $2,000.

Join

The three days of

November 21st and November 28th are open for anyone to join and compete. December 12th is for those who finish in the top five of the national competition. Nothing to prepare beforehand.

Terminal — se4rch.net
$ printf 'Hello, World\n'Hello, World

16:00
connection established.

Day 1 — Hello, world

We show you how the whole thing works. Have a go, and get a feel for it before the day.

11/21/2026 (Sat)
4PM—5PM JST
Add to calendar

Day 2 — Net Surf

The questions we have been saving, for everyone in Japan. The top five will move on to the world round.

11/28/2026 (Sat)
4PM—5PM JST
The same 16:00 JST, on four city clocks.Tokyo
16:00
Taipei
15:00
Bangkok
14:00
Ulaanbaatar
15:00

Day 3 — World
Wide
Web

The last se4rch.net, and the big one. The top three share $2,000.12/12/2026 (Sat)
4PM—5PM JST

The last piece could besomewhere in your search history.

JoinSaturday, November 21st 4PM JST
Free entry / Online

se4rch.net (“search dot net”) is the new name of the GenAsia Challenge, formerly the Youth Verification Challenge.

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