diff --git a/setup.py b/setup.py
index 00a4a08..93f6e82 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='TraverseCraft',
-    version='1.0.0',
+    version='1.1.0',
     author='Srajan Chourasia, Varun Patrikar',
     author_email='srajanstark.ash@gmail.com, patrikarvarun@gmail.com',
     maintainer='Srajan Chourasia, Varun Patrikar',
diff --git a/src/traverseCraft/world.py b/src/traverseCraft/world.py
index 654258d..975a908 100644
--- a/src/traverseCraft/world.py
+++ b/src/traverseCraft/world.py
@@ -613,7 +613,7 @@ def _check_tree_format(self,treeWorldInfo):
         # Ensure all nodes in 'adj' and 'goals' are in 'position'
         position_keys = set(position.keys())
         adj_keys = set(adj.keys())
-        root_key = set(treeWorldInfo['root'])
+        root_key = set([treeWorldInfo['root']])
         goals_set = set(goals)
         
         if not root_key.issubset(position_keys):
diff --git a/tutorials/Grid World/leetcode_number_of_islands.py b/tutorials/Grid World/leetcode_number_of_islands.py
new file mode 100644
index 0000000..e2aba40
--- /dev/null
+++ b/tutorials/Grid World/leetcode_number_of_islands.py	
@@ -0,0 +1,63 @@
+from traverseCraft.world import CreateGridWorld
+from traverseCraft.agent import GridAgent
+
+def solver(grid, n:int, m:int, i:int, j:int, agent:GridAgent)->int:
+    # Base Case
+    grid[i][j] = -1
+    # move top
+    if(i > 0 and grid[i-1][j] == 1 and agent.moveAgent(i - 1, j, delay=0.28)):
+        solver(grid, n, m, i - 1, j, agent)
+        agent.moveAgent(i, j)
+    # move down
+    if(i < (n - 1) and grid[i+1][j] == 1 and agent.moveAgent(i + 1, j, delay=0.28)):
+        solver(grid, n, m, i + 1, j, agent)
+        agent.moveAgent(i, j)
+    # move right
+    if(j < (m - 1) and grid[i][j+1] == 1 and agent.moveAgent(i, j + 1, delay=0.28)):
+        solver(grid, n, m, i, j + 1, agent)
+        agent.moveAgent(i, j)
+    # move left
+    if(j > 0 and grid[i][j-1] == 1 and agent.moveAgent(i, j - 1, delay=0.28)):
+        solver(grid, n, m, i, j - 1, agent)
+        agent.moveAgent(i, j)
+
+def numIslands(grid, n:int, m:int, agent:GridAgent)->int:
+    ans = 0
+    for i in range(n):
+        for j in range(m):
+            if(grid[i][j] == 1):
+                ans += 1
+                if((i + j) != 0):
+                    agent.moveAgent(i, j)
+                solver(grid, n, m, i, j, agent)
+    return ans
+
+if __name__ == "__main__":
+    n = 5
+    m = 7
+    grid = [[1, 1, 0, 0, 1, 1, 1],
+            [1, 1, 0, 0, 1, 1, 1],
+            [0, 0, 1, 1, 0, 0, 0],
+            [1, 1, 0, 0, 0, 1, 1],
+            [1, 1, 1, 0, 1, 1, 1]]
+    water = []
+    land = []
+    for i in range(n):
+        for j in range(m):
+            if(grid[i][j] == 0):
+                water.append([i, j])
+            else:
+                land.append([i, j])
+
+    world = CreateGridWorld(worldName = "Leetcode Number of Islands", rows = n, cols = m, cellSize = 36)
+    world.constructWorld()
+    world.setBlockPath(water)
+    world.setGoalState(land)
+    agent = GridAgent(world, agentName = "Robot")
+    def sim():
+        print("Starting the simulation!")
+        print("Number of unique Islands: ", numIslands(grid, n, m, agent))
+        print("Simulation Completed!")
+    world.setAgent(agent)
+    agent.setAlgorithmCallBack(sim)
+    world.showWorld()
diff --git a/tutorials/Grid World/leetcode_unique_path.py b/tutorials/Grid World/leetcode_unique_path.py
new file mode 100644
index 0000000..9a3dcfe
--- /dev/null
+++ b/tutorials/Grid World/leetcode_unique_path.py	
@@ -0,0 +1,40 @@
+from traverseCraft.world import CreateGridWorld
+from traverseCraft.agent import GridAgent
+
+def solver(n:int, m:int, i:int, j:int, agent:GridAgent)->int:
+    # Base Case
+    if(i == (n - 1) and j == (m - 1)):
+        return 1
+    elif((i < 0) or (j < 0) or (i == n) or (j == m)):
+        return 0
+
+    ans = 0
+
+    # move right
+    if(agent.moveAgent(i, j + 1, delay=0.28)):
+        ans += solver(n, m, i, j + 1, agent)
+        agent.moveAgent(i, j)
+
+    # move down
+    if(agent.moveAgent(i + 1, j, delay=0.28)):
+        ans += solver(n, m, i + 1, j, agent)
+        agent.moveAgent(i, j)
+
+    return ans
+
+def uniquePaths(m:int, n:int, agent:GridAgent)->int:
+    return solver(m, n, 0, 0, agent)
+
+if __name__ == "__main__":
+    m = 3
+    n = 7
+    world = CreateGridWorld(worldName = "Leetcode Unique Paths", rows = m, cols = n, cellSize = 36)
+    world.constructWorld()
+    agent = GridAgent(world, agentName = "Robot")
+    def sim():
+        print("Starting the simulation!")
+        print("Number of unique paths: ", uniquePaths(m, n, agent))
+        print("Simulation Completed!")
+    world.setAgent(agent)
+    agent.setAlgorithmCallBack(sim)
+    world.showWorld()
diff --git a/tutorials/Grid World/leetcode_unique_path_2.py b/tutorials/Grid World/leetcode_unique_path_2.py
new file mode 100644
index 0000000..e8b7dba
--- /dev/null
+++ b/tutorials/Grid World/leetcode_unique_path_2.py	
@@ -0,0 +1,41 @@
+from traverseCraft.world import CreateGridWorld
+from traverseCraft.agent import GridAgent
+
+def solver(n:int, m:int, i:int, j:int, agent:GridAgent)->int:
+    # Base Case
+    if(i == (n - 1) and j == (m - 1)):
+        return 1
+    elif((i < 0) or (j < 0) or (i == n) or (j == m)):
+        return 0
+
+    ans = 0
+
+    # move right
+    if(agent.moveAgent(i, j + 1, delay=0.28)):
+        ans += solver(n, m, i, j + 1, agent)
+        agent.moveAgent(i, j)
+
+    # move down
+    if(agent.moveAgent(i + 1, j, delay=0.28)):
+        ans += solver(n, m, i + 1, j, agent)
+        agent.moveAgent(i, j)
+
+    return ans
+
+def uniquePaths(m:int, n:int, agent:GridAgent)->int:
+    return solver(m, n, 0, 0, agent)
+
+if __name__ == "__main__":
+    m = 4
+    n = 7
+    world = CreateGridWorld(worldName = "Leetcode Unique Paths 2", rows = m, cols = n, cellSize = 36)
+    world.constructWorld()
+    world.setBlockPath([[0,5], [2,2], [1,4], [3,5]])
+    agent = GridAgent(world, agentName = "Robot")
+    def sim():
+        print("Starting the simulation!")
+        print("Number of unique paths: ", uniquePaths(m, n, agent))
+        print("Simulation Completed!")
+    world.setAgent(agent)
+    agent.setAlgorithmCallBack(sim)
+    world.showWorld()
diff --git a/tutorials/Tree World/leetcode_level_order_traversal.py b/tutorials/Tree World/leetcode_level_order_traversal.py
new file mode 100644
index 0000000..1d0e0d6
--- /dev/null
+++ b/tutorials/Tree World/leetcode_level_order_traversal.py	
@@ -0,0 +1,69 @@
+from traverseCraft.world import CreateTreeWorld
+from traverseCraft.agent import TreeAgent
+from collections import deque
+
+def levelOrderTraversal(rootId: int, agent: TreeAgent, world: CreateTreeWorld):
+    if rootId is None:
+        return []
+    
+    queue = deque([rootId])
+    result = []
+
+    while queue:
+        level_size = len(queue)
+        current_level = []
+
+        for _ in range(level_size):
+            node_id = queue.popleft()
+            agent.moveAgent(node_id, delay=0.5)
+            current_level.append(node_id)
+
+            for child in world.nodeMap[node_id].children:
+                queue.append(child.id)
+        
+        result.append(current_level)
+    
+    return result
+
+if __name__ == "__main__":
+    treeInfo = {
+        'adj': {
+            1: [2, 3],
+            2: [4, 5],
+            3: [6, 7],
+            4: [],
+            5: [8, 9],
+            6: [],
+            7: [],
+            8: [],
+            9: []
+        },
+        'root': 1,
+        'position': {
+            1: (400, 100),
+            2: (200, 200),
+            3: (600, 200),
+            4: (100, 300),
+            5: (300, 300),
+            6: (500, 300),
+            7: (700, 300),
+            8: (200, 400),
+            9: (400, 400)
+        },
+        'goals': []
+    }
+    world = CreateTreeWorld(worldName="Leetcode Binary Tree Level Order Traversal", worldInfo=treeInfo, radius=30)
+    world.constructWorld()
+    agent = TreeAgent(world, agentName="TraversalAgent")
+    world.setAgent(agent)
+
+    def sim():
+        print("Starting the simulation!")
+        levels = levelOrderTraversal(1, agent, world)
+        print("Level Order Traversal:")
+        for level in levels:
+            print(level)
+        print("Simulation Completed!")
+
+    agent.setAlgorithmCallBack(sim)
+    world.showWorld()
\ No newline at end of file
diff --git a/tutorials/Tree World/leetcode_lowest_common_ancestor_od_a_binary_tree.py b/tutorials/Tree World/leetcode_lowest_common_ancestor_od_a_binary_tree.py
new file mode 100644
index 0000000..ab0f865
--- /dev/null
+++ b/tutorials/Tree World/leetcode_lowest_common_ancestor_od_a_binary_tree.py	
@@ -0,0 +1,60 @@
+from traverseCraft.world import CreateTreeWorld
+from traverseCraft.agent import TreeAgent
+
+def lowestCommonAncestor(rootId:int, p:int, q:int, agent:TreeAgent, world:CreateTreeWorld)->int:
+    if(rootId == None):
+        return None
+    if(rootId == p or rootId == q):
+        return rootId
+    children = []
+    for child in world.nodeMap[rootId].children:
+        agent.moveAgent(child.id, delay=0.5)
+        children.append(lowestCommonAncestor(child.id, p, q, agent, world))
+        agent.moveAgent(rootId, delay=0.5)
+
+    for child in children:
+        if(child == None):
+            children.remove(child)
+    if(len(children) == 2):
+        return rootId
+    elif(len(children) == 1):
+        return children[0]
+    return None
+    
+if __name__ == "__main__":
+    treeInfo = {
+        'adj': {
+            1: [2, 3],
+            2: [4, 5],
+            3: [6, 7],
+            4: [],
+            5: [8, 9],
+            6: [],
+            7: [],
+            8: [],
+            9: []
+        },
+        'root': 1,
+        'position': {
+            1: (400, 100),
+            2: (200, 200),
+            3: (600, 200),
+            4: (100, 300),
+            5: (300, 300),
+            6: (500, 300),
+            7: (700, 300),
+            8: (200, 400),
+            9: (400, 400)
+        },
+        'goals': [7, 9]
+    }
+    world = CreateTreeWorld(worldName = "Leetcode Lowest Common Ancestor of a Binary Tree", worldInfo = treeInfo, radius = 30)
+    world.constructWorld()
+    agent = TreeAgent(world, agentName = "Robot")
+    world.setAgent(agent)
+    def sim():
+        print("Starting the simulation!")
+        print("Lowest Common Ancestor of 7 and 9: ", lowestCommonAncestor(1, 7, 9, agent, world))
+        print("Simulation Completed!")
+    agent.setAlgorithmCallBack(sim)
+    world.showWorld()
\ No newline at end of file