--- a/index.html
+++ b/index.html
@@ -6,6 +6,7 @@
     <meta name="theme-color" content="#9ec5e8" />
     <meta name="description" content="Sillage — a low-poly skiing game about speed and the joy of carving. Play in your browser." />
     <title>Sillage</title>
+    <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; media-src 'self' blob: data:; connect-src 'self' blob: data:; worker-src 'self' blob:; frame-src 'none'; form-action 'none'; base-uri 'none'" />
     <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Crect width='64' height='64' rx='14' fill='%2380b4e0'/%3E%3Cpath d='M10 50 L32 14 L54 50 Z' fill='%23f4f7fb'/%3E%3Cpath d='M20 54 C30 40 34 40 44 26' stroke='%23ff7a3d' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E" />
   </head>
   <body>
@@ -26,6 +27,6 @@
     </style>
     <canvas id="game"></canvas>
     <div id="ui"></div>
-    <script type="module" src="/src/main.ts"></script>
+    <script type="module" src="./src/main.ts"></script>
   </body>
 </html>
--- a/src/sim/stations.ts
+++ b/src/sim/stations.ts
@@ -1,7 +1,5 @@
-import roussesConfig from '../stations/rousses.config.json';
 import type { RestoDef } from './restos';
-import { ROUSSES_RESTOS } from './restos-rousses';
-import { DEFAULT_CONFIG, parseConfig, type StationConfig } from './stationConfig';
+import type { StationConfig } from './stationConfig';
 import type { TrackDef } from './track';
 
 /** A ski area baked by scripts/bake-station.mjs (metres, x east, z south; see that script for the encodings). */
@@ -46,22 +44,8 @@
   restos: RestoDef[];
 }
 
-export const STATIONS: Station[] = [
-  {
-    id: 'rousses', trackId: 'free', name: 'Les Rousses', area: 'Jura · Dôle-Tuffes', steep: 2.3, h0: 1160,
-    start: 'Jouvenceaux', summit: 'Dappes', summitName: 'La Dôle', seed: 4242, km: 36, lifts: 22, alt: [1120, 1677], far: 40000, haze: 50,
-    load: () => import('./rousses-data').then((d) => d.ROUSSES),
-    config: parseConfig(roussesConfig, DEFAULT_CONFIG),
-    restos: ROUSSES_RESTOS,
-  },
-  {
-    id: 'avoriaz', trackId: 'free-avoriaz', name: 'Avoriaz', area: 'Portes du Soleil · from Morzine to the Swiss Wall', steep: 1, h0: 0,
-    start: 'Super-Morzine', summit: 'Mossettes', summitName: 'Les Mossettes', seed: 7474, km: 87, lifts: 37, alt: [960, 2466], far: 70000, haze: 120,
-    load: () => import('./avoriaz-data').then((d) => d.AVORIAZ),
-    config: DEFAULT_CONFIG,
-    restos: [],
-  },
-];
+/** None here: the free-ride ski areas (real map data) are not part of this build, only the generated runs. */
+export const STATIONS: Station[] = [];
 
 export const stationOfTrack = (trackId: string): Station | undefined => STATIONS.find((s) => s.trackId === trackId);
 
--- a/src/ui/menus.ts
+++ b/src/ui/menus.ts
@@ -62,7 +62,6 @@
         <div class="brand"><h1>Sillage</h1><p>Carve your line.</p></div>
         <div class="stack">
           <button class="primary big" data-go="select">Play</button>
-          <button class="big" data-go="free">Free ride</button>
           <button data-go="locker">Locker</button>
           <button data-go="settings">Settings</button>
         </div>
@@ -70,7 +69,6 @@
         ${isTouch() && innerHeight > innerWidth ? '<div class="rotate">↻ Turn your phone sideways for a wider view</div>' : ''}
       </div>`);
     this.on('[data-go="select"]', () => this.select());
-    this.on('[data-go="free"]', () => this.stations());
     this.on('[data-go="locker"]', () => this.locker());
     this.on('[data-go="settings"]', () => this.settings(() => this.main()));
   }
@@ -144,7 +142,6 @@
         <div class="rows">
           <label>Graphics ${seg('quality', [['low', 'Low'], ['medium', 'Medium'], ['high', 'High']])}</label>
           <label>Steering sensitivity <input type="range" min="0.6" max="1.4" step="0.05" value="${st.sensitivity}" data-range="sensitivity"></label>
-          <label>Traffic <small>off-season to peak day</small> <input type="range" min="0.4" max="2.5" step="0.05" value="${st.traffic}" data-range="traffic"></label>
           <label>Volume <input type="range" min="0" max="1" step="0.05" value="${st.volume}" data-range="volume"></label>
           <label>Music ${tog('music')}</label>
           <label>Camera ${seg('camera', [['chase', 'Chase'], ['helmet', 'Helmet']])}</label>
--- a/src/net/online.ts
+++ b/src/net/online.ts
@@ -1,7 +1,7 @@
 import type { SkierColors } from '../render/skierModel';
 
 /** The portail.io server (Render) relays the free ride's skiers, one channel per station (server/games/sillage.js there). */
-export const PORTAL_URL = 'https://portail-io.onrender.com';
+export const PORTAL_URL = '';
 
 /** What each skier sends ~15 times a second: x, y, z, heading, vx, vy, vz, edge, skid, flags (FLAG.*). */
 export type WireState = number[];
@@ -38,9 +38,9 @@
   constructor(readonly station: string, readonly name: string, readonly look: SkierColors) {}
 
   /** Connects (socket.io loaded on demand: solo players never download it). */
-  async start(url = PORTAL_URL): Promise<void> {
-    const { io } = await import('socket.io-client');
-    this.attach(io(url, { transports: ['websocket'], reconnectionDelayMax: 10000, timeout: 60000 }) as unknown as Wire);
+  async start(_url = PORTAL_URL): Promise<void> {
+    // Not part of this build: the online free ride is off, nothing connects anywhere.
+    this.status = 'offline';
   }
 
   attach(wire: Wire): void {