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Assets/Puzzles/Untangle/Scenes/MainScene.unity.meta

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Assets/Puzzles/Untangle/Scenes/SampleScene.unity.meta

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+  externalObjects: {}
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Assets/Puzzles/Untangle/Scripts/Connection.cs

@@ -0,0 +1,19 @@
+using UnityEngine;
+
+[System.Serializable]
+public class Connection
+{
+    public Point a, b;
+    public LineRenderer line;
+
+    public void UpdateLine()
+    {
+        line.SetPosition(0, a.transform.position);
+        line.SetPosition(1, b.transform.position);
+    }
+
+    public bool SharesPointWith(Connection other)
+    {
+        return a == other.a || a == other.b || b == other.a || b == other.b;
+    }
+}

Assets/Puzzles/Untangle/Scripts/Connection.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: f064725dcf1ff98428a7e8d08023b551

Assets/Puzzles/Untangle/Scripts/Point.cs

@@ -0,0 +1,49 @@
+using UnityEngine;
+using UnityEngine.Rendering.Universal;
+using System.Linq;  // for FirstOrDefault()
+
+public class Point : MonoBehaviour
+{
+    public int id;
+    public UntangleGameManager manager;
+
+    // optional: assign in inspector or else we'll try to find it
+    [SerializeField] private Camera uiOverlayCamera;
+
+    private Vector3 offset;
+
+    void Awake()
+    {
+        if (uiOverlayCamera == null && Camera.main != null)
+        {
+            var extra = Camera.main.GetComponent<UniversalAdditionalCameraData>();
+            if (extra != null)
+            {
+                // look for the camera named "UIOverlayCamera"
+                uiOverlayCamera = extra.cameraStack
+                    .FirstOrDefault(cam => cam.name == "UIOverlayCamera");
+            }
+        }
+    }
+
+    void OnMouseDown()
+    {
+        // pick UI overlay if we have it, otherwise fallback
+        var cam = uiOverlayCamera != null ? uiOverlayCamera : Camera.main;
+        Vector3 worldPoint = cam.ScreenToWorldPoint(Input.mousePosition);
+        worldPoint.z = 0;
+        offset = transform.position - worldPoint;
+        Debug.Log($"Point {id} clicked. Offset (from {cam.name}): {offset}");
+    }
+
+    void OnMouseDrag()
+    {
+        var cam = uiOverlayCamera != null ? uiOverlayCamera : Camera.main;
+        Vector3 raw = cam.ScreenToWorldPoint(Input.mousePosition);
+        raw.z = transform.position.z;
+        transform.position = raw + offset;
+        manager.CheckIfSolved();
+        foreach (var c in manager.connections)
+            c.UpdateLine();
+    }
+}

Assets/Puzzles/Untangle/Scripts/Point.cs.meta

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+fileFormatVersion: 2
+guid: a2576d4090b96f542a3fd9afb4387f5d

Assets/Puzzles/Untangle/Scripts/UntangleGame.cs

@@ -1,348 +0,0 @@
-using UnityEngine;
-using UnityEngine.UI;
-using System.Collections.Generic;
-using TMPro;
-
-public class UntangleGame : MonoBehaviour
-{
-    public class Point
-    {
-        public float x, y;
-        public GameObject visual;
-        public int index;
-    }
-
-    public class Edge
-    {
-        public int a, b; // indices of connected points
-        public bool isCrossed;
-        public LineRenderer line;
-    }
-
-    [Header("Game Objects")]
-    public GameObject pointPrefab;
-    public LineRenderer edgePrefab;
-    
-    [Header("Game Settings")]
-    public int pointCount = 10;
-    public float playAreaSize = 8f;
-    
-    [Header("Colors")]
-    public Color normalEdgeColor = Color.black;
-    public Color crossedEdgeColor = Color.red;
-    public Color pointColor = Color.blue;
-    public Color dragPointColor = Color.white;
-    public Color cursorPointColor = Color.gray;
-    public Color neighborPointColor = Color.red;
-    
-    [Header("Visual Settings")]
-    public float pointRadius = 0.2f;
-    public float dragThreshold = 0.5f;
-    
-    [Header("Options")]
-    public bool snapToGrid = false;
-    public bool showCrossedEdges = true;
-    public bool showVertexNumbers = false;
-
-    private List<Point> points = new List<Point>();
-    private List<Edge> edges = new List<Edge>();
-    private int draggedPoint = -1;
-    private int cursorPoint = -1;
-    private bool isSolved = false;
-    private Camera mainCamera;
-    private Material lineMaterial;
-
-    void Start()
-    {
-        mainCamera = Camera.main;
-        
-        // Create material for lines to prevent pink color
-        lineMaterial = new Material(Shader.Find("UI/Default"));
-        lineMaterial.color = normalEdgeColor;
-        
-        GenerateGame();
-    }
-
-    void GenerateGame()
-    {
-        // Clear existing game
-        foreach (Point p in points)
-        {
-            if (p.visual != null) Destroy(p.visual);
-        }
-        foreach (Edge e in edges)
-        {
-            if (e.line != null) Destroy(e.line.gameObject);
-        }
-        points.Clear();
-        edges.Clear();
-        isSolved = false;
-
-        // Create points in a circle (local space)
-        for (int i = 0; i < pointCount; i++)
-        {
-            float angle = i * 2 * Mathf.PI / pointCount;
-            Point p = new Point
-            {
-                x = Mathf.Sin(angle) * playAreaSize * 0.4f,
-                y = Mathf.Cos(angle) * playAreaSize * 0.4f,
-                index = i
-            };
-            points.Add(p);
-        }
-
-        // Create edges (simplified planar graph)
-        for (int i = 0; i < pointCount; i++)
-        {
-            int connections = Mathf.Min(3, pointCount - i - 1);
-            for (int j = 1; j <= connections; j++)
-            {
-                int k = (i + j) % pointCount;
-                edges.Add(new Edge { a = i, b = k });
-            }
-        }
-
-        CreateVisuals();
-        CheckCrossings();
-    }
-
-    void CreateVisuals()
-    {
-        // Create point visuals
-        foreach (Point p in points)
-        {
-            p.visual = Instantiate(pointPrefab, transform);
-            p.visual.transform.localPosition = new Vector3(p.x, p.y, 0);
-            p.visual.transform.localScale = Vector3.one * pointRadius * 2;
-            
-            if (showVertexNumbers)
-            {
-                Text text = p.visual.GetComponentInChildren<Text>();
-                if (text != null)
-                {
-                    text.text = p.index.ToString();
-                    text.enabled = showVertexNumbers;
-                }
-            }
-        }
-
-        // Create edge visuals
-        foreach (Edge e in edges)
-        {
-            e.line = Instantiate(edgePrefab, transform);
-            e.line.useWorldSpace = false;
-            e.line.material = lineMaterial;
-            e.line.startWidth = 0.1f;
-            e.line.endWidth = 0.1f;
-            UpdateEdgeVisual(e);
-        }
-    }
-
-    void UpdateEdgeVisual(Edge e)
-    {
-        Point a = points[e.a];
-        Point b = points[e.b];
-        
-        e.line.startColor = e.isCrossed && showCrossedEdges ? crossedEdgeColor : normalEdgeColor;
-        e.line.endColor = e.line.startColor;
-        e.line.SetPosition(0, new Vector3(a.x, a.y, 0));
-        e.line.SetPosition(1, new Vector3(b.x, b.y, 0));
-    }
-
-    void Update()
-    {
-        HandleInput();
-        UpdateVisuals();
-    }
-
-    void HandleInput()
-    {
-        Vector2 localMousePos;
-        RectTransformUtility.ScreenPointToLocalPointInRectangle(
-            GetComponent<RectTransform>(),
-            Input.mousePosition,
-            mainCamera,
-            out localMousePos);
-        Debug.Log($"Mouse Position: {localMousePos}");
-
-        if (Input.GetMouseButtonDown(0))
-        {
-            int closest = FindClosestPoint(localMousePos);
-            if (closest != -1) draggedPoint = closest;
-        }
-        else if (Input.GetMouseButton(0) && draggedPoint != -1)
-        {
-            if (snapToGrid)
-            {
-                float gridSize = playAreaSize / (pointCount - 1);
-                points[draggedPoint].x = Mathf.Round(localMousePos.x / gridSize) * gridSize;
-                points[draggedPoint].y = Mathf.Round(localMousePos.y / gridSize) * gridSize;
-            }
-            else
-            {
-                points[draggedPoint].x = localMousePos.x;
-                points[draggedPoint].y = localMousePos.y;
-            }
-
-            // Keep within bounds
-            points[draggedPoint].x = Mathf.Clamp(points[draggedPoint].x, -playAreaSize/2, playAreaSize/2);
-            points[draggedPoint].y = Mathf.Clamp(points[draggedPoint].y, -playAreaSize/2, playAreaSize/2);
-
-            CheckCrossings();
-        }
-        else if (Input.GetMouseButtonUp(0))
-        {
-            draggedPoint = -1;
-        }
-        else
-        {
-            cursorPoint = FindClosestPoint(localMousePos);
-        }
-    }
-
-    int FindClosestPoint(Vector2 localPosition)
-    {
-        int closest = -1;
-        float minDist = float.MaxValue;
-
-        for (int i = 0; i < points.Count; i++)
-        {
-            float dist = Vector2.Distance(localPosition, new Vector2(points[i].x, points[i].y));
-            Debug.Log($"Point {i}: Distance {dist}");
-            if (dist < dragThreshold && dist < minDist)
-            {
-                minDist = dist;
-                closest = i;
-            }
-        }
-        Debug.Log($"Closest point: {closest} at distance {minDist}");
-        return closest;
-    }
-
-    void UpdateVisuals()
-    {
-        // Update point positions
-        for (int i = 0; i < points.Count; i++)
-        {
-            Point p = points[i];
-            p.visual.transform.localPosition = new Vector3(p.x, p.y, 0);
-
-            // Update point color
-            Image img = p.visual.GetComponent<Image>();
-            if (img != null)
-            {
-                if (i == draggedPoint)
-                    img.color = dragPointColor;
-                else if (i == cursorPoint)
-                    img.color = cursorPointColor;
-                else if (draggedPoint != -1 && IsConnected(draggedPoint, i))
-                    img.color = neighborPointColor;
-                else
-                    img.color = pointColor;
-            }
-        }
-
-        // Update edges
-        foreach (Edge e in edges)
-        {
-            UpdateEdgeVisual(e);
-        }
-    }
-
-    bool IsConnected(int a, int b)
-    {
-        foreach (Edge e in edges)
-        {
-            if ((e.a == a && e.b == b) || (e.a == b && e.b == a))
-                return true;
-        }
-        return false;
-    }
-
-    void CheckCrossings()
-    {
-        bool anyCrossings = false;
-
-        // Reset all edges
-        foreach (Edge e in edges)
-        {
-            e.isCrossed = false;
-        }
-
-        // Check all edge pairs for crossings
-        for (int i = 0; i < edges.Count; i++)
-        {
-            Edge e1 = edges[i];
-            Point a1 = points[e1.a];
-            Point a2 = points[e1.b];
-
-            for (int j = i + 1; j < edges.Count; j++)
-            {
-                Edge e2 = edges[j];
-                Point b1 = points[e2.a];
-                Point b2 = points[e2.b];
-
-                // Skip if edges share a point
-                if (e1.a == e2.a || e1.a == e2.b || e1.b == e2.a || e1.b == e2.b)
-                    continue;
-
-                if (DoLinesIntersect(a1, a2, b1, b2))
-                {
-                    e1.isCrossed = true;
-                    e2.isCrossed = true;
-                    anyCrossings = true;
-                }
-            }
-        }
-
-        isSolved = !anyCrossings;
-    }
-
-    bool DoLinesIntersect(Point a1, Point a2, Point b1, Point b2)
-    {
-        Vector2 p1 = new Vector2(a1.x, a1.y);
-        Vector2 p2 = new Vector2(a2.x, a2.y);
-        Vector2 p3 = new Vector2(b1.x, b1.y);
-        Vector2 p4 = new Vector2(b2.x, b2.y);
-
-        float d = (p2.x - p1.x) * (p4.y - p3.y) - (p2.y - p1.y) * (p4.x - p3.x);
-        if (d == 0) return false;
-
-        float u = ((p3.x - p1.x) * (p4.y - p3.y) - (p3.y - p1.y) * (p4.x - p3.x)) / d;
-        float v = ((p3.x - p1.x) * (p2.y - p1.y) - (p3.y - p1.y) * (p2.x - p1.x)) / d;
-
-        return (u >= 0) && (u <= 1) && (v >= 0) && (v <= 1);
-    }
-
-    public void OnSnapToGridToggle(bool value)
-    {
-        snapToGrid = value;
-    }
-
-    public void OnShowCrossedEdgesToggle(bool value)
-    {
-        showCrossedEdges = value;
-        foreach (Edge e in edges)
-        {
-            UpdateEdgeVisual(e);
-        }
-    }
-
-    public void OnVertexNumbersToggle(bool value)
-    {
-        showVertexNumbers = value;
-        foreach (Point p in points)
-        {
-            Text text = p.visual.GetComponentInChildren<Text>();
-            if (text != null)
-            {
-                text.enabled = value;
-            }
-        }
-    }
-
-    public void OnRegenerateClick()
-    {
-        GenerateGame();
-    }
-}

Assets/Puzzles/Untangle/Scripts/UntangleGame.cs.meta

@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 5c5e9a183c94351dbbfe349a667626ae

Assets/Puzzles/Untangle/Scripts/UntangleGameManager.cs

@@ -0,0 +1,270 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+public enum UGameState
+{
+    Uninitialized,
+    Playing,
+    Win,
+    Lose
+}
+
+public class UntangleGameManager : MonoBehaviour
+{
+    [Header("Prefabs & Parents")]
+    public GameObject pointPrefab;
+    public LineRenderer linePrefab;
+    public Transform spawnParent;
+
+    [Header("UI Elements")]
+    public Text statusText;
+    public GameObject winUI;
+    public GameObject loseUI;
+    public Button newGameButton;
+    public Button solveButton;
+
+    [Header("Audio")]
+    public AudioClip winSound;
+    public AudioClip loseSound;
+
+    [Header("Game Settings")]
+    public int pointCount = 10;
+
+    // Runtime state
+    public UGameState gameState = UGameState.Uninitialized;
+    private List<Point> points = new List<Point>();
+    public List<Connection> connections = new List<Connection>();
+    private Vector3[] solutionPositions;
+
+    private void Awake()
+    {
+        newGameButton.onClick.AddListener(StartGame);
+        solveButton.onClick.AddListener(AutoSolve);
+    }
+
+    private void Start()
+    {
+        StartGame();
+    }
+
+    public void SetGameState(UGameState state)
+    {
+        gameState = state;
+    }
+
+    public void StartGame()
+    {
+        ResetPuzzle();
+    }
+
+    public void ResetPuzzle()
+    {
+        // 1) Cleanup previous run
+        ClearOldGame();
+        points.Clear();
+        connections.Clear();
+        statusText.text = "";
+        if (winUI != null)
+            winUI.SetActive(false);
+        if (loseUI != null)
+            loseUI.SetActive(false);
+
+        // Step 1: Place points randomly (solution layout)
+        for (int i = 0; i < pointCount; i++)
+        {
+            Vector2 pos;
+            int tries = 0;
+            do
+            {
+                pos = Random.insideUnitCircle * 4f;
+                tries++;
+                if (tries > 1000) break;
+            }
+            while (IsTooClose(pos));
+
+            // instantiate as child of spawnParent
+            Vector3 worldPos = new Vector3(pos.x, pos.y, 0f);
+            GameObject obj = Instantiate(pointPrefab, worldPos, Quaternion.identity, spawnParent);
+            Point p = obj.GetComponent<Point>();
+            p.id = i;
+            p.manager = this;
+            points.Add(p);
+            solutionPositions[i] = worldPos;
+        }
+
+        // Step 2: Create a Minimum Spanning Tree (MST)
+        List<(int, int, float)> edges = new List<(int, int, float)>();
+        for (int i = 0; i < pointCount; i++)
+        {
+            for (int j = i + 1; j < pointCount; j++)
+            {
+                float dist = Vector2.Distance(points[i].transform.position, points[j].transform.position);
+                edges.Add((i, j, dist));
+            }
+        }
+        edges.Sort((a, b) => a.Item3.CompareTo(b.Item3));
+
+        int[] parent = new int[pointCount];
+        for (int i = 0; i < pointCount; i++) parent[i] = i;
+        int Find(int x) => parent[x] == x ? x : parent[x] = Find(parent[x]);
+        void Union(int x, int y) => parent[Find(x)] = Find(y);
+
+        int edgeCount = 0;
+        foreach (var (a, b, _) in edges)
+        {
+            if (Find(a) != Find(b))
+            {
+                Union(a, b);
+                AddConnection(a, b);
+                edgeCount++;
+                if (edgeCount == pointCount - 1) break;
+            }
+        }
+
+        // Step 3: Ensure every point has at least degree 2
+        int[] degrees = new int[pointCount];
+        foreach (var c in connections)
+        {
+            degrees[c.a.id]++;
+            degrees[c.b.id]++;
+        }
+
+        for (int i = 0; i < pointCount; i++)
+        {
+            while (degrees[i] < 2)
+            {
+                bool added = false;
+
+                // Try to add a non-crossing edge
+                for (int j = 0; j < pointCount; j++)
+                {
+                    if (i == j || IsConnected(i, j)) continue;
+
+                    Connection temp = new Connection { a = points[i], b = points[j] };
+                    if (DoesIntersectAny(temp)) continue;
+
+                    AddConnection(i, j);
+                    degrees[i]++;
+                    degrees[j]++;
+                    added = true;
+                    break;
+                }
+
+                // If no valid non-crossing edge found, allow one forced connection (rare case)
+                if (!added)
+                {
+                    for (int j = 0; j < pointCount; j++)
+                    {
+                        if (i == j || IsConnected(i, j)) continue;
+
+                        AddConnection(i, j);
+                        degrees[i]++;
+                        degrees[j]++;
+                        break;
+                    }
+                }
+            }
+            // set state to playing
+        }
+        // Step 4: Shuffle point positions to create the puzzle
+        foreach (var p in points)
+            p.transform.localPosition = Random.insideUnitCircle * 400f;  // localPosition keeps them under spawnParent
+
+        foreach (var c in connections)
+            c.UpdateLine();
+
+        SetGameState(UGameState.Playing);
+
+    }
+    private void AddConnection(int a, int b)
+    {
+        var c = new Connection { a = points[a], b = points[b] };
+        var lr = Instantiate(linePrefab, spawnParent);
+        c.line = lr;
+        c.UpdateLine();
+        connections.Add(c);
+    }
+
+    private bool IsConnected(int a, int b)
+    {
+        return connections.Exists(c =>
+            (c.a.id == a && c.b.id == b) ||
+            (c.a.id == b && c.b.id == a));
+    }
+
+    private bool DoesIntersectAny(Connection cand)
+    {
+        foreach (var c in connections)
+        {
+            if (cand.SharesPointWith(c)) continue;
+            if (LinesIntersect(cand, c)) return true;
+        }
+        return false;
+    }
+
+    private bool IsTooClose(Vector2 pos)
+    {
+        return points.Exists(p => Vector2.Distance(p.transform.position, pos) < 0.5f);
+    }
+
+    private void ClearOldGame()
+    {
+        foreach (var p in points)    Destroy(p.gameObject);
+        foreach (var c in connections) Destroy(c.line.gameObject);
+    }
+
+    public void CheckIfSolved()
+    {
+        if (gameState != UGameState.Playing) return;
+        foreach (var c1 in connections)
+            foreach (var c2 in connections)
+                if (c1 != c2 && !c1.SharesPointWith(c2) && LinesIntersect(c1, c2))
+                    return;
+
+        // no intersections found!
+        statusText.text = "Completed!";
+        if (loseUI != null)
+            loseUI.SetActive(false);
+        if (winUI != null)
+            winUI.SetActive(true);
+        SetGameState(UGameState.Win);
+        SoundFXManager.instance.PlaySound(winSound, transform, 1f);
+    }
+
+    private void AutoSolve()
+    {
+        if (gameState != UGameState.Playing) return;
+        for (int i = 0; i < points.Count; i++)
+            points[i].transform.position = solutionPositions[i];
+        connections.ForEach(c => c.UpdateLine());
+        CheckIfSolved();
+    }
+
+    #region Line‑intersection helpers
+    private bool LinesIntersect(Connection c1, Connection c2)
+    {
+        Vector2 p1 = c1.a.transform.position;
+        Vector2 q1 = c1.b.transform.position;
+        Vector2 p2 = c2.a.transform.position;
+        Vector2 q2 = c2.b.transform.position;
+        return DoIntersect(p1, q1, p2, q2);
+    }
+
+    private bool DoIntersect(Vector2 a, Vector2 b, Vector2 c, Vector2 d)
+    {
+        int o1 = Orientation(a, b, c);
+        int o2 = Orientation(a, b, d);
+        int o3 = Orientation(c, d, a);
+        int o4 = Orientation(c, d, b);
+        return (o1 != o2 && o3 != o4);
+    }
+
+    private int Orientation(Vector2 a, Vector2 b, Vector2 c)
+    {
+        float v = (b.y - a.y) * (c.x - b.x) - (b.x - a.x) * (c.y - b.y);
+        if (Mathf.Abs(v) < 1e-4f) return 0;
+        return (v > 0) ? 1 : 2;
+    }
+    #endregion
+}

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   itemName: Red Card
   itemIcon: {fileID: 21300000, guid: 839d951c18cf6ae88aab372a39d87694, type: 3}
   itemPrefab: {fileID: 8924941041106658507, guid: 9978c9c43cf7bfb4ba426c30b5c569b2, type: 3}
+  isKeyCard: 1

Assets/Scripts/ScriptableObjects/USBStickItem.asset

@@ -13,5 +13,6 @@ MonoBehaviour:
   m_Name: USBStickItem
   m_EditorClassIdentifier: 
   itemName: USB Stick
-  itemIcon: {fileID: 21300000, guid: 1d5d46cffb17f694987ced466c5888e3, type: 3}
+  itemIcon: {fileID: 21300000, guid: ae600fc3261ad214e8d0fea2e9814db5, type: 3}
   itemPrefab: {fileID: 8988288550564699726, guid: 56a57c82158b9874eb02de81af87fcb1, type: 3}
+  isKeyCard: 0

Assets/tablet/TabletScript.cs

@@ -6,6 +6,7 @@ public enum TabletScreen {
     Word,
     Mines,
     SimonSays,
+    Untangle,
     MainMenu,
     Clear
 }
@@ -34,6 +35,7 @@ public class TabletScript : MonoBehaviour
     [SerializeField] private GameObject minesPuzzleSheet = null;
     [SerializeField] private GameObject wordPuzzleSheet = null;
     [SerializeField] private GameObject simonSaysPuzzleSheet = null;
+    [SerializeField] private GameObject untanglePuzzleSheet = null;
     [SerializeField] private GameObject mainMenuSheet = null;
 
 
@@ -58,6 +60,7 @@ public class TabletScript : MonoBehaviour
     [SerializeField] private ControlScript minesControlScript = null;
     [SerializeField] private WordPuzzle wordPuzzleScript = null;
     [SerializeField] private SimonSaysGameManager simonSaysGameManager = null;
+    [SerializeField] private UntangleGameManager untangleGameManager = null;
 
 
     public void Start()
@@ -76,33 +79,46 @@ public class TabletScript : MonoBehaviour
                 wordPuzzleSheet.SetActive(true);
                 minesPuzzleSheet.SetActive(false);
                 simonSaysPuzzleSheet.SetActive(false);
+                untanglePuzzleSheet.SetActive(false);
                 break;
             case TabletScreen.Mines:
                 wordPuzzleSheet.SetActive(false);
                 minesPuzzleSheet.SetActive(true);
                 simonSaysPuzzleSheet.SetActive(false);
-                break;
-            case TabletScreen.MainMenu:
-                wordPuzzleSheet.SetActive(false);
-                minesPuzzleSheet.SetActive(false);
-                simonSaysPuzzleSheet.SetActive(false);
-                mainMenuSheet.SetActive(true);
+                untanglePuzzleSheet.SetActive(false);
                 break;
             case TabletScreen.SimonSays:
                 wordPuzzleSheet.SetActive(false);
                 minesPuzzleSheet.SetActive(false);
                 simonSaysPuzzleSheet.SetActive(true);
+                untanglePuzzleSheet.SetActive(false);
+                break;
+            case TabletScreen.Untangle:
+                wordPuzzleSheet.SetActive(false);
+                minesPuzzleSheet.SetActive(false);
+                simonSaysPuzzleSheet.SetActive(false);
+                untanglePuzzleSheet.SetActive(true);
+                break;
+            
+            case TabletScreen.MainMenu:
+                wordPuzzleSheet.SetActive(false);
+                minesPuzzleSheet.SetActive(false);
+                simonSaysPuzzleSheet.SetActive(false);
+                untanglePuzzleSheet.SetActive(false);
+                mainMenuSheet.SetActive(true);
                 break;
             case TabletScreen.Clear:
                 wordPuzzleSheet.SetActive(false);
                 minesPuzzleSheet.SetActive(false);
                 simonSaysPuzzleSheet.SetActive(false);
+                untanglePuzzleSheet.SetActive(false);
                 mainMenuSheet.SetActive(false);
                 break;
             default:
                 wordPuzzleSheet.SetActive(false);
                 minesPuzzleSheet.SetActive(false);
                 simonSaysPuzzleSheet.SetActive(false);
+                untanglePuzzleSheet.SetActive(false);
                 mainMenuSheet.SetActive(false);
                 break;
             
@@ -114,6 +130,7 @@ public class TabletScript : MonoBehaviour
         mainMenuSheet.SetActive(false);
         wordPuzzleSheet.SetActive(false);
         simonSaysPuzzleSheet.SetActive(false);
+        untanglePuzzleSheet.SetActive(false);
         minesPuzzleSheet.SetActive(true);
 
         minesControlScript.GridSizeX = gridSize;
@@ -146,6 +163,7 @@ public class TabletScript : MonoBehaviour
         mainMenuSheet.SetActive(false);
         minesPuzzleSheet.SetActive(false);
         simonSaysPuzzleSheet.SetActive(false);
+        untanglePuzzleSheet.SetActive(false);
 
         StartCoroutine(WaitForPuzzleCompletionWord());
     }
@@ -171,6 +189,7 @@ public class TabletScript : MonoBehaviour
         mainMenuSheet.SetActive(false);
         minesPuzzleSheet.SetActive(false);
         wordPuzzleSheet.SetActive(false);
+        untanglePuzzleSheet.SetActive(false);
         
         StartCoroutine(WaitForPuzzleCompletionSimonSays());
     }
@@ -186,6 +205,30 @@ public class TabletScript : MonoBehaviour
         SetScreen(TabletScreen.MainMenu);
     }
 
+    public void SetScreenUntangle(int pointCount)
+    {
+        untanglePuzzleSheet.SetActive(true);
+        untangleGameManager.pointCount = pointCount;
+        untangleGameManager.StartGame();
+        mainMenuSheet.SetActive(false);
+        minesPuzzleSheet.SetActive(false);
+        wordPuzzleSheet.SetActive(false);
+        simonSaysPuzzleSheet.SetActive(false);
+        
+        StartCoroutine(WaitForPuzzleCompletionUntangle());
+    }
+
+    private IEnumerator WaitForPuzzleCompletionUntangle()
+    {
+        yield return new WaitUntil(() => untangleGameManager.gameState == UGameState.Win);
+        
+        yield return new WaitForSeconds(1.0f);
+
+        untangleGameManager.gameState = UGameState.Uninitialized; // reset the game state to default state
+        gameState = PuzzleGameState.Win;
+        SetScreen(TabletScreen.MainMenu);
+    }
+
     public void SetGameState(PuzzleGameState state)
     {
         gameState = state;