diff --git a/src/index.html b/src/index.html
index 03dc6b10..87b756f4 100755
--- a/src/index.html
+++ b/src/index.html
@@ -26,6 +26,26 @@
         z-index: 10000;
         padding: 5px;
       }
+      .speed-btn {
+        display: inline-block;
+        padding: 5px 10px;
+        margin: 0 2px;
+        cursor: pointer;
+        border: 1px solid #ccc;
+        background-color: #f0f0f0;
+        border-radius: 3px;
+      }
+      .speed-btn.active {
+        background-color: #4CAF50;
+        color: white;
+        border-color: #4CAF50;
+      }
+      .speed-btn:hover {
+        background-color: #e0e0e0;
+      }
+      .speed-btn.active:hover {
+        background-color: #45a049;
+      }
     </style>
     <script>
       function getTheme() {
@@ -106,14 +126,11 @@
         </select>
       </div>
       <div style="display: inline-block; margin-right: 10px">
-        <span>Mode:</span>
-        <select id="selectMode">
-          <option value="100">Easy</option>
-          <option value="75" selected>Medium</option>
-          <option value="50">Hard</option>
-          <option value="25">Impossible</option>
-          <option value="110">Rush</option>
-        </select>
+        <span>Speed:</span>
+        <button class="speed-btn" data-speed="1">1x</button>
+        <button class="speed-btn" data-speed="2">2x</button>
+        <button class="speed-btn" data-speed="3">3x</button>
+        <button class="speed-btn" data-speed="5">5x</button>
       </div>
       <button id="go_full_screen">Full Screen</button>
       <br />
@@ -146,6 +163,40 @@
       }
 
       document.getElementById('go_full_screen').addEventListener('click', go_full_screen);
+
+      // Speed button handling
+      const speedButtons = document.querySelectorAll('.speed-btn');
+      const BASE_SPEED = 300; // 1x speed in ms
+
+      function setActiveSpeedButton(speed) {
+        speedButtons.forEach(btn => {
+          btn.classList.remove('active');
+          if (parseInt(btn.dataset.speed) === speed) {
+            btn.classList.add('active');
+          }
+        });
+      }
+
+      function getSpeedValue(multiplier) {
+        return Math.round(BASE_SPEED / multiplier);
+      }
+
+      speedButtons.forEach(btn => {
+        btn.addEventListener('click', function() {
+          const speedMultiplier = parseInt(this.dataset.speed);
+          setActiveSpeedButton(speedMultiplier);
+          // Update snake speed if game is running
+          if (window.mySnakeBoard && window.mySnakeBoard.setSpeed) {
+            window.mySnakeBoard.setSpeed(getSpeedValue(speedMultiplier));
+          }
+          setTimeout(function() {
+            document.getElementById("game-area").focus();
+          }, 10);
+        });
+      });
+
+      // Set default speed (1x)
+      setActiveSpeedButton(1);
     </script>
   </body>
 </html>
diff --git a/src/js/init.js b/src/js/init.js
index daddd8b8..aadb1b16 100644
--- a/src/js/init.js
+++ b/src/js/init.js
@@ -1,4 +1,4 @@
-const mySnakeBoard = new SNAKE.Board({
+window.mySnakeBoard = new SNAKE.Board({
   boardContainer: "game-area",
   fullScreen: true,
   premoveOnPause: false,
diff --git a/src/js/snake.js b/src/js/snake.js
index 6232e8d9..8fe3c820 100644
--- a/src/js/snake.js
+++ b/src/js/snake.js
@@ -29,7 +29,7 @@ const MOVE_RIGHT = 1;
 const MIN_SNAKE_SPEED = 25;
 const RUSH_INCR = 5;
 
-const DEFAULT_SNAKE_SPEED = 80;
+const DEFAULT_SNAKE_SPEED = 300; // 1x speed: 300ms
 
 const BOARD_NOT_READY = 0;
 const BOARD_READY = 1;
@@ -146,7 +146,7 @@ SNAKE.Snake =
 
       const me = this;
       const playingBoard = config.playingBoard;
-      const growthIncr = 5;
+      const growthIncr = 1;
       const columnShift = [0, 1, 0, -1];
       const rowShift = [-1, 0, 1, 0];
       let prevNode;
@@ -159,27 +159,7 @@ SNAKE.Snake =
         isDead = false,
         isPaused = false;
 
-      const modeDropdown = document.getElementById("selectMode");
-      if (modeDropdown) {
-        modeDropdown.addEventListener("change", function (evt) {
-          evt = evt || {};
-          let val = evt.target
-            ? parseInt(evt.target.value)
-            : DEFAULT_SNAKE_SPEED;
-
-          if (isNaN(val)) {
-            val = DEFAULT_SNAKE_SPEED;
-          } else if (val < MIN_SNAKE_SPEED) {
-            val = DEFAULT_SNAKE_SPEED;
-          }
-
-          snakeSpeed = val;
 
-          setTimeout(function () {
-            document.getElementById("game-area").focus();
-          }, 10);
-        });
-      }
 
       // ----- public variables -----
       me.snakeBody = {};
@@ -381,6 +361,27 @@ SNAKE.Snake =
         newHead.col = oldHead.col + columnShift[lastMove];
         newHead.row = oldHead.row + rowShift[lastMove];
 
+        // Wall wrapping logic - teleport snake to opposite side within playable area
+        // Playable area is 1 to numRows-2 and 1 to numCols-2 (excluding outer border)
+        const numRows = grid.length;
+        const numCols = grid[0].length;
+        const minRow = 1;
+        const maxRow = numRows - 2;
+        const minCol = 1;
+        const maxCol = numCols - 2;
+
+        if (newHead.row < minRow) {
+          newHead.row = maxRow; // From top to bottom
+        } else if (newHead.row > maxRow) {
+          newHead.row = minRow; // From bottom to top
+        }
+
+        if (newHead.col < minCol) {
+          newHead.col = maxCol; // From left to right
+        } else if (newHead.col > maxCol) {
+          newHead.col = minCol; // From right to left
+        }
+
         if (!newHead.elmStyle) {
           newHead.elmStyle = newHead.elm.style;
         }
@@ -448,18 +449,6 @@ SNAKE.Snake =
           return false;
         }
 
-        //Checks if the current selected option is that of "Rush"
-        //If so, "increase" the snake speed
-        const selectDropDown = document.getElementById("selectMode");
-        const selectedOption =
-          selectDropDown.options[selectDropDown.selectedIndex];
-
-        if (selectedOption.text.localeCompare("Rush") == 0) {
-          if (snakeSpeed > MIN_SNAKE_SPEED + RUSH_INCR) {
-            snakeSpeed -= RUSH_INCR;
-          }
-        }
-
         return true;
       };
 
@@ -468,9 +457,8 @@ SNAKE.Snake =
        * @method handleDeath
        */
       me.handleDeath = function () {
-        //Reset speed
-        const selectedSpeed = document.getElementById("selectMode").value;
-        snakeSpeed = parseInt(selectedSpeed);
+        //Reset speed to default (1x = 300ms)
+        snakeSpeed = DEFAULT_SNAKE_SPEED;
 
         handleEndCondition(playingBoard.handleDeath);
       };
@@ -633,8 +621,12 @@ SNAKE.Food =
           col = 0,
           numTries = 0;
 
-        const maxRows = playingBoard.grid.length - 1;
-        const maxCols = playingBoard.grid[0].length - 1;
+        // Playable area is 1 to maxRows-1 and 1 to maxCols-1 (excluding outer border)
+        const maxRows = playingBoard.grid.length - 2;
+        const maxCols = playingBoard.grid[0].length - 2;
+
+        row = getRandomPosition(1, maxRows);
+        col = getRandomPosition(1, maxCols);
 
         while (playingBoard.grid[row][col] !== 0) {
           row = getRandomPosition(1, maxRows);
@@ -1191,16 +1183,8 @@ SNAKE.Board =
         for (let row = 0; row < numBoardRows; row++) {
           me.grid[row] = [];
           for (let col = 0; col < numBoardCols; col++) {
-            if (
-              col === 0 ||
-              row === 0 ||
-              col === numBoardCols - 1 ||
-              row === numBoardRows - 1
-            ) {
-              me.grid[row][col] = 1; // an edge
-            } else {
-              me.grid[row][col] = 0; // empty space
-            }
+            // All cells are empty space (0) - walls are now passable
+            me.grid[row][col] = 0;
           }
         }