--- a/browser/index.html
+++ b/browser/index.html
@@ -2,19 +2,11 @@
 <html lang="en" dir="ltr">
   <head>
     <meta charset="utf-8" />
-    <title>c4 - Connect Four</title>
+    <title>Four in a Row</title>
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta
       name="description"
-      content="Connect Four game in JS + Canvas. Play against artificial intelligence or with other human offline or online!"
-    />
-    <link rel="canonical" href="https://kenrick95.github.io/c4/" />
-    <meta property="og:url" content="https://kenrick95.github.io/c4/" />
-    <meta property="og:type" content="website" />
-    <meta property="og:title" content="c4 - Connect Four" />
-    <meta
-      property="og:description"
-      content="Connect Four game in JS + Canvas. Play against artificial intelligence or with other human offline or online!"
+      content="Four in a Row game in JS + Canvas. Play against artificial intelligence or with another human on the same device."
     />
     <link rel="icon" type="image/svg+xml" href="/logo.svg" />
   </head>
@@ -24,11 +16,11 @@
       <h1 class="header-title">
         <img
           src="/logo.svg"
-          alt="c4 - Connect Four logo"
+          alt="Four in a Row logo"
           width="24"
           height="24"
         />
-        c4 - Connect Four
+        Four in a Row
       </h1>
     </header>
     <section class="section">
@@ -49,7 +41,7 @@
         aria-describedby="board-player-legend"
       >
         <caption>
-          Connect Four board. Rows are listed from top to bottom.
+          Four in a Row board. Rows are listed from top to bottom.
         </caption>
         <thead>
           <tr>
@@ -67,7 +59,7 @@
       </table>
       <fieldset class="hidden game-controls" tabindex="-1">
         <legend class="visually-hidden">
-          Connect Four columns. Use keys 1 through 7 to drop a disc in a
+          Four in a Row columns. Use keys 1 through 7 to drop a disc in a
           column when it is your turn.
         </legend>
         <button
@@ -133,14 +125,14 @@
       <h1 id="init-screen-title">
         <img
           src="/logo.svg"
-          alt="c4 - Connect Four logo"
+          alt="Four in a Row logo"
           width="24"
           height="24"
         />
-        c4 - Connect Four
+        Four in a Row
       </h1>
       <h2>How to play?</h2>
-      <p>Connect Four is a two-player game.</p>
+      <p>Four in a Row is a two-player game.</p>
       <p>
         Taking turn, each player drops a coloured piece to one of the 7-columns
         of the board. The piece will then travel down to the next empty row in
@@ -151,15 +143,6 @@
         vertically, or diagonally wins the game. If the board is completely
         filled but no one has won, the game is a draw.
       </p>
-      <p>
-        For a more detailed explanation, you can refer to
-        <a
-          href="https://en.wikipedia.org/wiki/Connect_Four"
-          target="_blank"
-          rel="noopener noreferrer"
-          >Connect Four article on Wikipedia</a
-        >.
-      </p>
       <h2>Game Settings</h2>
       <form method="dialog" class="game-settings-form">
         <fieldset class="game-settings-form-section">
@@ -200,17 +183,6 @@
                 Spectator: AI player vs AI player</label
               >
             </li>
-            <li>
-              <label
-                ><input
-                  class="game-settings-mode-input"
-                  type="radio"
-                  name="mode"
-                  value="online-human"
-                />
-                Online: Human player vs human player</label
-              >
-            </li>
           </ul>
         </fieldset>
         <label class="game-settings-player-1-name-label" for="player-1-name">
@@ -248,12 +220,6 @@
       </div>
       <div class="statusbox-controls">
         <button
-          class="hidden statusbox-button statusbox-button-share"
-          type="button"
-        >
-          Share game
-        </button>
-        <button
           class="hidden statusbox-button statusbox-button-back"
           type="button"
         >
@@ -277,9 +243,7 @@
       </form>
     </dialog>
     <footer class="footer">
-      By <a href="http://kenrick95.org" rel="noopener">Kenrick95</a>. Source
-      code available on
-      <a href="https://github.com/kenrick95/c4" rel="noopener">GitHub</a>.
+      By Kenrick95. MIT licence.
     </footer>
     <script type="module" src="./src/app.ts"></script>
   </body>
--- a/browser/src/app.ts
+++ b/browser/src/app.ts
@@ -19,14 +19,9 @@
   let previewBoard: Board | undefined = new Board(canvas)
   previewBoard.render()
 
-  const searchParams = new URLSearchParams(location.search)
-  const connectionMatchId = searchParams.get('matchId')
   const backToModeSelector = document.querySelector(
     '.statusbox-button-back',
   ) as HTMLDivElement
-  const shareButton = document.querySelector(
-    '.statusbox-button-share',
-  ) as HTMLDivElement
   const playAgainButton = document.querySelector(
     '.statusbox-button-play-again',
   ) as HTMLButtonElement
@@ -62,18 +57,16 @@
     | null = null
 
   backToModeSelector?.classList.add('hidden')
-  shareButton?.classList.add('hidden')
   playAgainButton?.classList.add('hidden')
   initScreenDOM.showModal()
 
-  let chosenMode: string = connectionMatchId ? 'online-human' : 'offline-ai'
+  let chosenMode: string = 'offline-ai'
   renderForm()
 
   backToModeSelector?.addEventListener('click', () => {
     endCurrentGame()
     backToModeSelector?.classList.add('hidden')
-    shareButton?.classList.add('hidden')
-    playAgainButton?.classList.add('hidden')
+      playAgainButton?.classList.add('hidden')
     initScreenDOM.showModal()
   })
 
@@ -100,27 +93,7 @@
   })
 
   function renderForm() {
-    if (connectionMatchId) {
-      for (const el of settingsForm.querySelectorAll(
-        '.game-settings-mode-input',
-      )) {
-        const checkboxEl = el as HTMLInputElement
-        checkboxEl.readOnly = true
-        if (checkboxEl.value === 'online-human') {
-          checkboxEl.checked = true
-        } else {
-          checkboxEl.checked = false
-        }
-      }
-
-      player2NameLabel.textContent = `Your name:`
-      player1NameInput.disabled = true
-      player2NameInput.disabled = false
-      player1NameLabel.classList.add('hidden')
-      player1NameInput.classList.add('hidden')
-      player2NameLabel.classList.remove('hidden')
-      player2NameInput.classList.remove('hidden')
-    } else if (chosenMode === 'offline-human') {
+    if (chosenMode === 'offline-human') {
       player1NameLabel.textContent = `First player's name:`
       player2NameLabel.textContent = `Second player's name:`
       player1NameLabel.classList.remove('hidden')
@@ -138,15 +111,6 @@
       player2NameInput.classList.add('hidden')
       player1NameInput.disabled = false
       player2NameInput.disabled = true
-    } else if (chosenMode === 'online-human') {
-      player1NameLabel.textContent = `Your name:`
-      player2NameLabel.textContent = `Other player's name:`
-      player1NameLabel.classList.remove('hidden')
-      player1NameInput.classList.remove('hidden')
-      player2NameLabel.classList.add('hidden')
-      player2NameInput.classList.add('hidden')
-      player1NameInput.disabled = false
-      player2NameInput.disabled = true
     } else if (chosenMode === 'ai-vs-ai') {
       player1NameLabel.textContent = `Player's name:`
       player2NameLabel.textContent = `Player's name:`
@@ -160,7 +124,6 @@
   }
 
   function initGame(chosenMode: string | null, playerNames: (string | null)[]) {
-    console.log('initGame chosenMode:', chosenMode)
     endCurrentGame()
     previewBoard?.dispose()
     previewBoard = undefined
@@ -173,12 +136,6 @@
       )
     } else if (chosenMode === 'offline-ai') {
       currentGameHandler = Game.initGameLocalAi(playerNames[0] || 'Player 1')
-    } else if (chosenMode === 'online-human') {
-      currentGameHandler = Game.initGameOnline2p(
-        connectionMatchId
-          ? playerNames[1] || 'Player 2'
-          : playerNames[0] || 'Player 1',
-      )
     } else if (chosenMode === 'ai-vs-ai') {
       currentGameHandler = Game.initGameAiVsAi()
     } else {
--- a/browser/src/game/index.ts
+++ b/browser/src/game/index.ts
@@ -1,4 +1,3 @@
 export * from './game-ai-vs-ai'
 export * from './game-local-2p'
 export * from './game-local-ai'
-export * from './game-online-2p'
--- a/core/src/game/index.ts
+++ b/core/src/game/index.ts
@@ -1,2 +1 @@
 export * from './game-base'
-export * from './game-online/shared'
--- a/core/src/player/index.ts
+++ b/core/src/player/index.ts
@@ -1,4 +1,3 @@
 export * from './player'
 export * from './player-ai'
 export * from './player-human'
-export * from './player-shadow'