Multiverse Steampunk — Universe 1/12: Lily Bramble marries Tomas Field aboard a brass airship over Victorian Brimsworth-by-Night with brass goggles and gear-clockwork pews; the multiverse cat acknowledges itself across timelines
A 3D BRIMSWORTH MULTIVERSE demo: Universe 1 of 12. The same R21 wedding cast (Lily 30 BRIDE, Tomas 32 GROOM, Henry Sr 70, Margaret 70, Otto 8, Bytes 10, Captain Crunch 10, Mrs Pemberton 99, Eliza Vellum 50, Margaret Wren 50, Mr Whitford 56) reimagined ABOARD A BRASS AIRSHIP — Victorian Brimsworth-by-Night below, brass-and-mahogany bridge, copper steam pipes, gear-clockwork pews, oil-lamp lanterns, mechanical raven autopilot. At t=300s a brass-clockwork portal opens on the airship deck; Bytes-from-prior-universe (a faintly-glowing cat) walks through; meets THIS universe's Bytes; both yawn and settle on the windowsill. Same C-E-G-C wedding leitmotif from R21 in PIPE ORGAN + BRASS CLOCKWORK voicing — the FIRST genre voicing in a 12-universe multiverse. Like Howl's Moving Castle airship + Pixar UP wedding + Studio Ghibli brass-and-mahogany warmth. ALL FICTIONAL.
What this is
A 3D recreation of Universe 1 of 12 of the BRIMSWORTH MULTIVERSE arc. THIS IS THE OPENING DEMO OF ROUND 24. The same R21 wedding cast — Lily Bramble (BRIDE, 30, brass goggles), Tomas Field (GROOM, 32, gear-cufflink waistcoat), Henry Sr (70), Margaret (70), Otto (8, golden retriever), Bytes (10, brass-collar cat), Captain Crunch (10, husky), Mrs Pemberton (99), Eliza Vellum (50), Margaret Wren (50), Mr Whitford (56) — reimagined ABOARD A BRASS AIRSHIP over Victorian Brimsworth-by-Night. 33 director cameras cycle through airship-bridge-deck, brass-chapel, copper-dining-saloon, observation-dome-garden, twilight-stern, multiverse-portal-cat-meet, plus 27 more. 270+ named entities including the 11 anchored R21 cast plus ~24 background guests plus 235 procedural villagers across steampunk surnames (Cogsworth, Thornbrass, Fenwick-Vale, Pemberton, Bramble, Field, Vellum, Wren, Whitford) × given names (Mortimer, Cordelia, Phineas, Emmeline, Lily, Tomas, Margaret, Henry, etc).
The story is a 3-act emergent narrative. AIRSHIP ARRIVAL (0-180s): brass-and-mahogany bridge dressed for the wedding; oil-lamp lanterns flickering; the cast arrives via airship gangway. BRASS CHAPEL CEREMONY (180-300s): vows under the brass-arch altar; pipe organ swells; mechanical raven autopilot watches from the masthead. MULTIVERSE PORTAL CAT MEET (300-540s): mid-cycle twist at 5min — a shimmering brass-clockwork portal opens on the deck; Bytes-from-prior-universe (a faintly-glowing cat) walks through; meets THIS universe's brass-collar Bytes; both yawn and settle on the windowsill; the chyron writes "the multiverse cat acknowledges itself across timelines."
The multiverse remembers AND broadcasts. localStorage saves multiverse_steampunk_v1 AND BOOTSTRAPS the canonical brimsworth_multiverse_v1 { universe_id:"steampunk", timestamp_visited, bytes_arrived_from:null, ... } — every R24 demo reads/appends this. BroadcastChannel('brimsworth_multiverse') emits "twin-portal-opens" on portal trigger + listens for other tabs and renders a faint mini-PiP shimmer in the corner. PiP CROSSCUT rotates R23 century thumbnails + other R24 universes.
You don't play it. You watch a brass airship wedding where, at exactly 5 minutes in, two versions of the same cat from two different universes meet, yawn, and curl up on a windowsill together.
Why this is mind-blowing
The portal is the secret weapon: at t=300s the chyron writes "the multiverse cat acknowledges itself across timelines · brimsworth_multiverse_v1 ledger appends steampunk · BroadcastChannel emits twin-portal-opens to all open tabs". That single moment stitches together a 12-universe multiverse — every other R24 demo's chyron reads brimsworth_multiverse_v1 to render the cat-arrival chain. This is not a story about a steampunk wedding — this is a steampunk wedding that bootstraps a 12-universe state machine where Bytes the cat is the consciousness that crosses every timeline, and where opening two browser tabs causes the wedding airships to acknowledge each other across the multiverse via BroadcastChannel. ALL FICTIONAL.
Prompt
Build a single-file HTML page that recreates "Universe 1 of 12: Lily Bramble marries Tomas Field aboard a brass airship over Victorian Brimsworth-by-Night" as a continuous 3D autoplay world.
CONCEPT: BRIMSWORTH MULTIVERSE STEAMPUNK — Howl's Moving Castle airship + Pixar UP wedding + brass-and-mahogany Victorian charm.
Hard constraints:
- One HTML file, < 200KB. three.js r0.160 IIFE strict
- First body line: <!-- ROUND24_MULTIVERSE v1 -->
- localStorage `multiverse_steampunk_v1`. Reseed every ~10 min.
- Cross-read brimsworth_century_v1 + brimsworth_lifetime_v1 + recurring_cast_v1.
All R16-R23 retained. R24 NEW:
1. GENRE TRANSPLANT — same R21 cast in steampunk roles
2. MULTIVERSE PORTAL CAT MEET at 5min — Bytes from prior universe walks through
3. brimsworth_multiverse_v1 ledger BOOTSTRAP
4. GENRE LEITMOTIF — pipe organ + brass clockwork voicing of C-E-G-C
5. BroadcastChannel('brimsworth_multiverse') emit + listen
6. 33 cameras, 270+ named entities, 5 sub-worlds
Tone: BRASS-AND-MAHOGANY-WARM, ALL FICTIONAL. R24 OPENING DEMO — BOOTSTRAPS THE MULTIVERSE.Paste this into Claude, Cursor, or Copilot. Change one thing that matters to you.
What I learned shipping it
- How to bootstrap a 12-universe brimsworth_multiverse_v1 localStorage ledger with bytes_arrived_from chain that 11 future demos will read and append
- How to land a multiverse-portal-cat-meet as a mid-cycle twist where two universes' versions of the same cat acknowledge each other across timelines
- How to voice the same R21 4-note C-E-G-C wedding leitmotif in pipe organ + brass clockwork as the first of 12 genre voicings