One Click Saga: build, switch, break, and ship

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Engineers’ Innovation Week 2026CSE DepartmentDev Track ClubOpenAI collab (pending approval)

Round 01: Registration is open

One Click Saga

Build / Switch / Break / Ship

A three-hour AI-powered engineering relay. Three members, one laptop, thirty-minute stints, and nobody is allowed to explain anything out loud. Then a rival team gets twenty minutes to break what you built.

180MIN

Total runtime

3MEMBERS

Team size

1DESIGNATED

Laptops

30TEAMS MAX

Grid

]::[Read the format [-◇-]Entry details

{

Three people build one thing, thirty minutes at a time, without saying a word to each other.

}

How it actually goes

You build for thirty minutes.You hand it overin silence.with no notes.mid-thought.and walk off.A stranger tries to break it.Then you ship it anyway.

Build together.Build in turns.

Everything you know about a hackathon still holds, except the parts where your team talks to each other and gets a weekend to do it.

The rule change

What’s different here

Four lines changed. The AI tools stay.

− BEFOREClassic hackathon

−team_size:1–5

−laptops:one each

−talking:allowed

−runtime:24–48 hours

·ai_tools:allowed

+ AFTEROne Click Saga

+team_size:exactly 3

+laptops:one, shared

+talking:silent handoff

+runtime:180 minutes

·ai_tools:allowed

01.BUILD90 MIN

m1m2m3

repo → repo → repo

Build in turns

Three stints of thirty minutes. One person on the laptop, the other two watching and saying nothing.

stint→3 × 30 min

02.BREAK20 MIN

if (input) run()

✕empty input → crash

// reported, not fixed

Get broken

A rival Breaker takes your project and files everything they find. They can report. They cannot edit.

tester→rival team

03.SHIP55 MIN

fixed⟶shipped

Recover and ship

The originals return for fifteen minutes each, fix what matters, and run the ship check before the window shuts.

window→45 + 10 min

The regulationART. 01

One button. One outcome.

Whatever you build, its entire purpose must fire from one button.

Take input before the press: text, a URL, a file, or a selection. After the press the workflow runs to completion on its own. No wizard, no “now click Continue.” One press, one outcome.

LegalA text box, then Summarise

LegalA file drop, then Convert

LegalApproved boilerplate, libraries, frameworks

LegalChatGPT and other approved AI tools, throughout

VoidA second essential button after the first

VoidAnything built before the clock started

The relay180 MIN

Five segments. 180 minutes.

Build, break, recover, ship, and demo. Your team’s three hours, panel by panel.

Five stages · 180 minutes

Relay timeline: Build 90 minutes, Break 20, Fix 45, Ship 10, Demo 15. Different roles, same goal. A brighter tomorrow. — Swipe the timeline to see all five stages →

Silent handoffART. 02

Say nothing. Leave notes.

During an active stint you cannot talk to your own team. Everything the next person needs to know has to already be in the repository when you stand up. This is the part teams underestimate.

repository.json

Open

1{
2  "channel": "repository",
3  "status": "open",
4  "handoff": "Leave everything the next member needs in the repo before you stand up.",
5  "todo": "Replace the fixed auth token before the Bug Hunt.",
6  "note": "#run is the one button. Everything uses its listener.",
7  "git_log": {
8    "a1f9c02": "feat: one-button pipeline end to end",
9    "7c4e118": "chore: README: run steps + known gaps",
10    "3b8d5aa": "wip: validation, EMPTY CASE UNHANDLED"
11  },
12  "permitted": [
13    "Comments + TODOs",
14    "README notes",
15    "Commit messages",
16    "Clear project structure"
17  ]
18}

The repository is the whole handoff channel.

team-comms.json

Blocked

1{
2  "channel": "teammate to teammate",
3  "status": "blocked",
4  "during": "Active stint",
5  "talking": false,
6  "messaging": false,
7  "gestures": false,
8  "blocked_examples": [
9    "The auth token is hardcoded, swap it",
10    "Don't touch the router, it's fragile",
11    "Check the console, you'll see it",
12    "Just rerun it, it works on mine"
13  ],
14  "handoff": "The repository is the only thing that travels."
15}

No spoken hints, messages, DMs, or gestures to the next member.

Disqualifying throughout all 180 minutes

✕Speaking to your teammates during an active stint
✕Messaging, DMing or screen-sharing a hint
✕Editing, copying or damaging another team's project
✕Any pre-built submission, in whole or in part
✕Plagiarised or unlicensed code and assets
✕Credential access, secret extraction, denial-of-service

EntryOPEN

Take the grid.

Open to undergraduates. Basic programming or app-building familiarity recommended. You will be reading someone else’s half-finished code under a clock.

Date

TBC

Announced with registration

Venue

TBC

Announced with registration

Registration

OPEN

Scan or tap to enter

Positions

1 / 2 / 3

First, Second and Third