diff --git a/README.md b/README.md
index a2af100..23b2c06 100644
--- a/README.md
+++ b/README.md
@@ -34,9 +34,9 @@ tables, the Peanut Gallery, the ledgers and the ops tools are the kit's;
   takes the same taps as the flat boards. The figures in `static/figures/`
   are glTF, one per kind, with a `livery` material the view recolours per
   side; `docs/figures-brief.md` is what they were made from. three.js and
-  the figures load only when the view is opened. Until the keeper opens it
-  to everyone, the view shows only to a browser let in through
-  `src/lib/glass.svelte.ts`.
+  the figures load only when the view is opened. The flat boards are the
+  default; the glass board is offered under them at the table and on the
+  told game.
 - The guide's figures are screenshots in `static/guide/`, taken from the
   running site at 960 pixels wide.
 
diff --git a/src/lib/components/Board.svelte b/src/lib/components/Board.svelte
index efa3df8..36b71c8 100644
--- a/src/lib/components/Board.svelte
+++ b/src/lib/components/Board.svelte
@@ -14,7 +14,6 @@
 	} from '$lib/game';
 	import type { Room } from '$lib/net/room.svelte';
 	import { prefs, reducedMotion } from '$lib/prefs.svelte';
-	import { glass } from '$lib/glass.svelte';
 
 	let { room }: { room: Room } = $props();
 
@@ -218,9 +217,7 @@
 		{/if}
 		{#if room.error}<p class="warning">{room.error}</p>{/if}
 
-		{#if glass.open}
-			<p class="muted small glass-way"><button type="button" class="link plain" disabled={fetching} aria-busy={fetching} onclick={() => seeGlass(!onGlass)}>{fetching ? 'Fetching the glass board…' : onGlass ? 'Back to the flat boards' : 'See the glass board'}</button></p>
-		{/if}
+		<p class="muted small glass-way"><button type="button" class="link plain" disabled={fetching} aria-busy={fetching} onclick={() => seeGlass(!onGlass)}>{fetching ? 'Fetching the glass board…' : onGlass ? 'Back to the flat boards' : 'See the glass board'}</button></p>
 		{#if onGlass && Glass}
 			<Glass {g} {mySide} {selected} {targets} {reach} {shownSquares} {shownCaptured} {checkSquare} {calm} {tap} />
 		{:else}
diff --git a/src/lib/components/Hall.svelte b/src/lib/components/Hall.svelte
index 132d14d..5cf2802 100644
--- a/src/lib/components/Hall.svelte
+++ b/src/lib/components/Hall.svelte
@@ -8,7 +8,6 @@
 	import TallyBoard from './Tally.svelte';
 	import Preferences from './Preferences.svelte';
 	import { prefs, setPref } from '$lib/prefs.svelte';
-	import '$lib/glass.svelte';
 	import { allSeats, doubtSeat, forgetSeat, rememberSeat, ServerError, trustSeat } from '$lib/net/client';
 	import { api, NAME_MAX, playerName, rememberName, Room } from '$lib/net/room.svelte';
 	import { unreadTalk } from '$lib/net/talk';
diff --git a/src/lib/glass.svelte.ts b/src/lib/glass.svelte.ts
deleted file mode 100644
index 660c547..0000000
--- a/src/lib/glass.svelte.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-// The glass board, the three-dimensional view of a game, is shown only to
-// a browser that has been let in. A visit to any page with ?glass=<word>
-// opens it for that browser, if the word's hash is the one kept here; the
-// word itself is nowhere in the site. Until the keeper decides the view is
-// ready for everyone, this is the whole of the gate.
-
-const KEY = 'wyrm:glass';
-const GATE = 'eec81ab3bd646536b3464bb0411aea9b2e92e6387c6a04ef15743191ac4d142f';
-
-function remembered(): boolean {
-	try {
-		return localStorage.getItem(KEY) === '1';
-	} catch {
-		return false;
-	}
-}
-
-/** Whether this browser may open the glass board. */
-export const glass = $state({ open: typeof localStorage !== 'undefined' && remembered() });
-
-/** Let the browser in if the address carries the word, and remember it. */
-export async function claimGlass(): Promise<void> {
-	if (glass.open || typeof location === 'undefined') return;
-	const word = new URLSearchParams(location.search).get('glass');
-	if (!word) return;
-	const digest = await crypto.subtle.digest('SHA-256', new TextEncoder().encode(word));
-	const hex = Array.from(new Uint8Array(digest), (b) => b.toString(16).padStart(2, '0')).join('');
-	if (hex !== GATE) return;
-	glass.open = true;
-	try {
-		localStorage.setItem(KEY, '1');
-	} catch {
-		// Opened for this visit only.
-	}
-}
-
-if (typeof location !== 'undefined') void claimGlass();
diff --git a/src/routes/learn/game/+page.svelte b/src/routes/learn/game/+page.svelte
index b539d0b..41a8d34 100644
--- a/src/routes/learn/game/+page.svelte
+++ b/src/routes/learn/game/+page.svelte
@@ -7,7 +7,6 @@
 	import { narrate } from '$lib/game/chronicle';
 	import { notation, kingSquare, inCheck, movesFrom, legalMovesFrom, sideOf } from '$lib/game';
 	import { prefs, reducedMotion } from '$lib/prefs.svelte';
-	import { glass } from '$lib/glass.svelte';
 
 	/** The glass board, loaded the first time it is asked for. */
 	let Glass = $state<typeof import('$lib/components/Glass.svelte').default | null>(null);
@@ -79,9 +78,7 @@
 
 	<section class="stage">
 		<div class="boards">
-			{#if glass.open}
-				<p class="muted small"><button type="button" class="link plain" disabled={fetching} aria-busy={fetching} onclick={() => seeGlass(!onGlass)}>{fetching ? 'Fetching the glass board…' : onGlass ? 'Back to the flat boards' : 'See the glass board'}</button></p>
-			{/if}
+			<p class="muted small"><button type="button" class="link plain" disabled={fetching} aria-busy={fetching} onclick={() => seeGlass(!onGlass)}>{fetching ? 'Fetching the glass board…' : onGlass ? 'Back to the flat boards' : 'See the glass board'}</button></p>
 			{#if onGlass && Glass}
 				<Glass {g} {shownSquares} {shownCaptured} {checkSquare} selected={inspected} {reach} {calm} {tap} />
 			{:else}