diff --git a/web/assets/js/game.js b/web/assets/js/game.js
index 25dcb19..a8f8ff7 100644
--- a/web/assets/js/game.js
+++ b/web/assets/js/game.js
@@ -131,8 +131,8 @@ const initialMirrorAngles = [
     },
     {},
     {
-        "3,4": 315,
-        "7,8": 0,
+        "9,4": 315,
+        "2,9": 45,
     },
 ];
 
@@ -141,7 +141,9 @@ const buttonGroups = [
         "4,6": 1,
     },
     {},
-    {},
+    {
+        "9,4": 1,
+    },
 ];
 
 const doorGroups = [
@@ -168,6 +170,9 @@ const rotatorButtons = [
     {
         "3,7": { mirrorX: 7, mirrorY: 7, step: -22.5, intervalMs: 1000 },
     },
+    {
+        "6,8": { mirrorX: 9, mirrorY: 2, step: 22.5, intervalMs: 1000 },
+    }
 ];
 
 let laserDirection = { dx: 0, dy: 0 };
@@ -922,7 +927,26 @@ function traceLaser() {
                     laserActive = false;
                 }
                 break;
-
+            case legend.wallSemiAngle:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
+            case legend.horizontalSemi:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
+            case legend.cableVertical:
+            case legend.cableTurn:
             case legend.door:
             case legend.doorOpen:
                 if (openedDoors[`${currentY},${currentX}`] || cellType === legend.doorOpen) {
@@ -951,6 +975,42 @@ function traceLaser() {
                 break;
 
             case legend.captor:
+            case legend.demiWallCornerDownLeft:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
+            case legend.demiWallCornerDownRight:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
+            case legend.demiWallCornerUpLeft:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
+            case legend.demiWallCornerUpRight:
+                if (currentLaserColor === laserColors.blue) {
+                    laserDirection = reverseLaser(laserDirection);
+                } else if (currentLaserColor === laserColors.yellow) {
+                    saveLaserSegment(currentX, currentY, laserDirection, currentLaserColor);
+                } else {
+                    laserActive = false;
+                }
+                break;
             case legend.captorTurn:
                 if (currentLaserColor === laserColors.red) {
                     const captorKey = `${currentY},${currentX}`;