diff --git a/Source/Engine/Networking/NetworkMessage.h b/Source/Engine/Networking/NetworkMessage.h
index aa610f058..4d0bc4330 100644
--- a/Source/Engine/Networking/NetworkMessage.h
+++ b/Source/Engine/Networking/NetworkMessage.h
@@ -83,13 +83,26 @@ public:
     /// Should be of the same length as length or longer.
     /// </param>
     /// <param name="numBytes">The minimal amount of bytes that the buffer contains.</param>
-    FORCE_INLINE void ReadBytes(uint8* bytes, const int numBytes)
+    FORCE_INLINE void ReadBytes(uint8* bytes, const int32 numBytes)
     {
         ASSERT(Position + numBytes < BufferSize);
         Platform::MemoryCopy(bytes, Buffer + Position, numBytes);
         Position += numBytes;
     }
 
+    /// <summary>
+    /// Skips bytes from the message.
+    /// </summary>
+    /// <param name="numBytes">Amount of bytes to skip.</param>
+    /// <returns>Pointer to skipped data beginning.</returns>
+    FORCE_INLINE void* SkipBytes(const int32 numBytes)
+    {
+        ASSERT(Position + numBytes < BufferSize);
+        byte* result = Buffer + Position;
+        Position += numBytes;
+        return result;
+    }
+
     template<typename T>
     FORCE_INLINE void WriteStructure(const T& data)
     {
@@ -225,7 +238,7 @@ public:
     /// </summary>
     FORCE_INLINE Guid ReadGuid()
     {
-        Guid value = Guid();
+        Guid value;
         ReadBytes((uint8*)&value, sizeof(Guid));
         return value;
     }
diff --git a/Source/Engine/Networking/NetworkReplicator.cpp b/Source/Engine/Networking/NetworkReplicator.cpp
index 7a32f767d..f08f13da1 100644
--- a/Source/Engine/Networking/NetworkReplicator.cpp
+++ b/Source/Engine/Networking/NetworkReplicator.cpp
@@ -15,6 +15,7 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Core/Collections/HashSet.h"
 #include "Engine/Core/Collections/Dictionary.h"
+#include "Engine/Core/Collections/ChunkedArray.h"
 #include "Engine/Core/Types/DataContainer.h"
 #include "Engine/Platform/CriticalSection.h"
 #include "Engine/Engine/EngineService.h"
@@ -51,11 +52,16 @@ PACK_STRUCT(struct NetworkMessageObjectReplicate
 PACK_STRUCT(struct NetworkMessageObjectSpawn
     {
     NetworkMessageIDs ID = NetworkMessageIDs::ObjectSpawn;
+    uint32 OwnerClientId;
+    Guid PrefabId;
+    uint16 ItemsCount;
+    });
+
+PACK_STRUCT(struct NetworkMessageObjectSpawnItem
+    {
     Guid ObjectId;
     Guid ParentId;
-    Guid PrefabId;
     Guid PrefabObjectID;
-    uint32 OwnerClientId;
     char ObjectTypeName[128]; // TODO: introduce networked-name to synchronize unique names as ushort (less data over network)
     });
 
@@ -135,6 +141,11 @@ struct SpawnItem
     NetworkObjectRole Role;
 };
 
+struct SpawnGroup
+{
+    Array<SpawnItem*, InlinedAllocation<8>> Items;
+};
+
 struct DespawnItem
 {
     Guid Id;
@@ -309,35 +320,54 @@ FORCE_INLINE void GetNetworkName(char buffer[128], const StringAnsiView& name)
     buffer[name.Length()] = 0;
 }
 
-void SendObjectSpawnMessage(const NetworkReplicatedObject& item, ScriptingObject* obj)
+void SendObjectSpawnMessage(const SpawnGroup& group, const Array<NetworkClient*>& clients)
 {
-    NetworkMessageObjectSpawn msgData;
-    msgData.ObjectId = item.ObjectId;
-    msgData.ParentId = item.ParentId;
     const bool isClient = NetworkManager::IsClient();
-    if (isClient)
-    {
-        // Remap local client object ids into server ids
-        IdsRemappingTable.KeyOf(msgData.ObjectId, &msgData.ObjectId);
-        IdsRemappingTable.KeyOf(msgData.ParentId, &msgData.ParentId);
-    }
-    msgData.PrefabId = Guid::Empty;
-    msgData.PrefabObjectID = Guid::Empty;
-    auto* objScene = ScriptingObject::Cast<SceneObject>(obj);
-    if (objScene && objScene->HasPrefabLink())
-    {
-        msgData.PrefabId = objScene->GetPrefabID();
-        msgData.PrefabObjectID = objScene->GetPrefabObjectID();
-    }
-    msgData.OwnerClientId = item.OwnerClientId;
-    GetNetworkName(msgData.ObjectTypeName, obj->GetType().Fullname);
     auto* peer = NetworkManager::Peer;
     NetworkMessage msg = peer->BeginSendMessage();
+    NetworkMessageObjectSpawn msgData;
+    msgData.ItemsCount = group.Items.Count();
+    {
+        // The first object is a root of the group (eg. prefab instance root actor)
+        SpawnItem* e = group.Items[0];
+        ScriptingObject* obj = e->Object.Get();
+        msgData.OwnerClientId = e->OwnerClientId;
+        auto* objScene = ScriptingObject::Cast<SceneObject>(obj);
+        msgData.PrefabId = objScene && objScene->HasPrefabLink() ? objScene->GetPrefabID() : Guid::Empty;
+
+        // Setup clients that should receive this spawn message
+        auto it = Objects.Find(obj->GetID());
+        auto& item = it->Item;
+        BuildCachedTargets(clients, item.TargetClientIds);
+    }
     msg.WriteStructure(msgData);
+    for (SpawnItem* e : group.Items)
+    {
+        ScriptingObject* obj = e->Object.Get();
+        auto it = Objects.Find(obj->GetID());
+        auto& item = it->Item;
+
+        // Add object into spawn message
+        NetworkMessageObjectSpawnItem msgDataItem;
+        msgDataItem.ObjectId = item.ObjectId;
+        msgDataItem.ParentId = item.ParentId;
+        if (isClient)
+        {
+            // Remap local client object ids into server ids
+            IdsRemappingTable.KeyOf(msgDataItem.ObjectId, &msgDataItem.ObjectId);
+            IdsRemappingTable.KeyOf(msgDataItem.ParentId, &msgDataItem.ParentId);
+        }
+        msgDataItem.PrefabObjectID = Guid::Empty;
+        auto* objScene = ScriptingObject::Cast<SceneObject>(obj);
+        if (objScene && objScene->HasPrefabLink())
+            msgDataItem.PrefabObjectID = objScene->GetPrefabObjectID();
+        GetNetworkName(msgDataItem.ObjectTypeName, obj->GetType().Fullname);
+        msg.WriteStructure(msgDataItem);
+    }
     if (isClient)
-        peer->EndSendMessage(NetworkChannelType::ReliableOrdered, msg);
+        peer->EndSendMessage(NetworkChannelType::Reliable, msg);
     else
-        peer->EndSendMessage(NetworkChannelType::ReliableOrdered, msg, CachedTargets);
+        peer->EndSendMessage(NetworkChannelType::Reliable, msg, CachedTargets);
 }
 
 void SendObjectRoleMessage(const NetworkReplicatedObject& item, const NetworkClient* excludedClient = nullptr)
@@ -394,6 +424,44 @@ SceneObject* FindPrefabObject(Actor* a, const Guid& prefabObjectId)
     return result;
 }
 
+void SetupObjectSpawnGroupItem(ScriptingObject* obj, Array<SpawnGroup, InlinedAllocation<8>>& spawnGroups, SpawnItem& spawnItem)
+{
+    // Check if can fit this object into any of the existing groups (eg. script which can be spawned with parent actor)
+    SpawnGroup* group = nullptr;
+    for (auto& g : spawnGroups)
+    {
+        ScriptingObject* groupRoot = g.Items[0]->Object.Get();
+        if (IsParentOf(obj, groupRoot))
+        {
+            // Reuse existing group (append)
+            g.Items.Add(&spawnItem);
+            group = &g;
+            break;
+        }
+    }
+    if (group)
+        return;
+
+    // Check if can override any of the existing groups (eg. actor which should be spawned before scripts)
+    for (auto& g : spawnGroups)
+    {
+        ScriptingObject* groupRoot = g.Items[0]->Object.Get();
+        if (IsParentOf(groupRoot, obj))
+        {
+            // Reuse existing group (as a root)
+            g.Items.Insert(0, &spawnItem);
+            group = &g;
+            break;
+        }
+    }
+    if (group)
+        return;
+
+    // Create new group
+    group = &spawnGroups.AddOne();
+    group->Items.Add(&spawnItem);
+}
+
 #if !COMPILE_WITHOUT_CSHARP
 
 #include "Engine/Scripting/ManagedCLR/MUtils.h"
@@ -814,14 +882,29 @@ void NetworkInternal::NetworkReplicatorUpdate()
         // Sync any previously spawned objects with late-joining clients
         PROFILE_CPU_NAMED("NewClients");
         // TODO: try iterative loop over several frames to reduce both server and client perf-spikes in case of large amount of spawned objects
+        ChunkedArray<SpawnItem, 256> spawnItems;
+        Array<SpawnGroup, InlinedAllocation<8>> spawnGroups;
         for (auto it = Objects.Begin(); it.IsNotEnd(); ++it)
         {
             auto& item = it->Item;
             ScriptingObject* obj = item.Object.Get();
             if (!obj || !item.Spawned)
                 continue;
-            BuildCachedTargets(NewClients, item.TargetClientIds);
-            SendObjectSpawnMessage(item, obj);
+
+            // Setup spawn item for this object
+            auto& spawnItem = spawnItems.AddOne();
+            spawnItem.Object = obj;
+            spawnItem.Targets.Link(item.TargetClientIds);
+            spawnItem.OwnerClientId = item.OwnerClientId;
+            spawnItem.Role = item.Role;
+
+            SetupObjectSpawnGroupItem(obj, spawnGroups, spawnItem);
+        }
+
+        // Groups of objects to spawn
+        for (SpawnGroup& g : spawnGroups)
+        {
+            SendObjectSpawnMessage(g, NewClients);
         }
         NewClients.Clear();
     }
@@ -865,9 +948,11 @@ void NetworkInternal::NetworkReplicatorUpdate()
     if (SpawnQueue.Count() != 0)
     {
         PROFILE_CPU_NAMED("SpawnQueue");
+
+        // Propagate hierarchical ownership from spawned parent to spawned child objects (eg. spawned script and spawned actor with set hierarchical ownership on actor which should affect script too)
+        // TODO: maybe we can propagate ownership within spawn groups only?
         for (SpawnItem& e : SpawnQueue)
         {
-            // Propagate hierarchical ownership from spawned parent to spawned child objects (eg. spawned script and spawned actor with set hierarchical ownership on actor which should affect script too)
             if (e.HasOwnership && e.HierarchicalOwnership)
             {
                 for (auto& q : SpawnQueue)
@@ -881,6 +966,10 @@ void NetworkInternal::NetworkReplicatorUpdate()
                 }
             }
         }
+
+        // Batch spawned objects into groups (eg. player actor with scripts and child actors merged as a single spawn message)
+        // That's because NetworkReplicator::SpawnObject can be called in separate for different actors/scripts of a single prefab instance but we want to spawn it at once over the network
+        Array<SpawnGroup, InlinedAllocation<8>> spawnGroups;
         for (SpawnItem& e : SpawnQueue)
         {
             ScriptingObject* obj = e.Object.Get();
@@ -913,11 +1002,16 @@ void NetworkInternal::NetworkReplicatorUpdate()
                     MISSING_CODE("Sending TargetClientIds over to server for partial object replication.");
                 item.TargetClientIds = MoveTemp(e.Targets);
             }
-
-            NETWORK_REPLICATOR_LOG(Info, "[NetworkReplicator] Spawn object ID={}", item.ToString());
-            BuildCachedTargets(NetworkManager::Clients, item.TargetClientIds);
-            SendObjectSpawnMessage(item, obj);
             item.Spawned = true;
+            NETWORK_REPLICATOR_LOG(Info, "[NetworkReplicator] Spawn object ID={}", item.ToString());
+
+            SetupObjectSpawnGroupItem(obj, spawnGroups, e);
+        }
+
+        // Spawn groups of objects
+        for (SpawnGroup& g : spawnGroups)
+        {
+            SendObjectSpawnMessage(g, NetworkManager::Clients);
         }
         SpawnQueue.Clear();
     }
@@ -1085,102 +1179,135 @@ void NetworkInternal::OnNetworkMessageObjectSpawn(NetworkEvent& event, NetworkCl
 {
     NetworkMessageObjectSpawn msgData;
     event.Message.ReadStructure(msgData);
+    auto* msgDataItems = (NetworkMessageObjectSpawnItem*)event.Message.SkipBytes(msgData.ItemsCount * sizeof(NetworkMessageObjectSpawnItem));
+    if (msgData.ItemsCount == 0)
+        return;
     ScopeLock lock(ObjectsLock);
-    NetworkReplicatedObject* e = ResolveObject(msgData.ObjectId, msgData.ParentId, msgData.ObjectTypeName);
-    if (e)
+
+    // Check if that object has been already spawned
+    auto& rootItem = msgDataItems[0];
+    NetworkReplicatedObject* root = ResolveObject(rootItem.ObjectId, rootItem.ParentId, rootItem.ObjectTypeName);
+    if (root)
     {
-        auto& item = *e;
-        item.Spawned = true;
-        if (NetworkManager::IsClient())
+        // Object already exists locally so just synchronize the ownership (and mark as spawned)
+        for (int32 i = 0; i < msgData.ItemsCount; i++)
         {
-            // Server always knows the best so update ownership of the existing object
-            item.OwnerClientId = msgData.OwnerClientId;
-            if (item.Role == NetworkObjectRole::OwnedAuthoritative)
-                item.Role = NetworkObjectRole::Replicated;
-        }
-        else if (item.OwnerClientId != msgData.OwnerClientId)
-        {
-            // Other client spawned object with a different owner
-            // TODO: send reply message to inform about proper object ownership that client
-        }
-    }
-    else
-    {
-        // Recreate object locally
-        ScriptingObject* obj = nullptr;
-        const NetworkReplicatedObject* parent = ResolveObject(msgData.ParentId);
-        if (msgData.PrefabId.IsValid())
-        {
-            Actor* prefabInstance = nullptr;
-            Actor* parentActor = parent && parent->Object && parent->Object->Is<Actor>() ? parent->Object.As<Actor>() : nullptr;
-            if (parentActor && parentActor->GetPrefabID() == msgData.PrefabId)
+            auto& msgDataItem = msgDataItems[i];
+            NetworkReplicatedObject* e = ResolveObject(msgDataItem.ObjectId, msgDataItem.ParentId, msgDataItem.ObjectTypeName);
+            auto& item = *e;
+            item.Spawned = true;
+            if (NetworkManager::IsClient())
             {
-                // Reuse parent object as prefab instance
-                prefabInstance = parentActor;
+                // Server always knows the best so update ownership of the existing object
+                item.OwnerClientId = msgData.OwnerClientId;
+                if (item.Role == NetworkObjectRole::OwnedAuthoritative)
+                    item.Role = NetworkObjectRole::Replicated;
             }
-            else if (parentActor = Scripting::TryFindObject<Actor>(msgData.ParentId))
+            else if (item.OwnerClientId != msgData.OwnerClientId)
             {
-                // Try to find that spawned prefab (eg. prefab with networked script was spawned before so now we need to link it)
-                for (Actor* child : parentActor->Children)
+                // Other client spawned object with a different owner
+                // TODO: send reply message to inform about proper object ownership that client
+            }
+        }
+        return;
+    }
+
+    // Recreate object locally (spawn only root)
+    ScriptingObject* obj = nullptr;
+    Actor* prefabInstance = nullptr;
+    if (msgData.PrefabId.IsValid())
+    {
+        const NetworkReplicatedObject* parent = ResolveObject(rootItem.ParentId);
+        Actor* parentActor = parent && parent->Object && parent->Object->Is<Actor>() ? parent->Object.As<Actor>() : nullptr;
+        if (parentActor && parentActor->GetPrefabID() == msgData.PrefabId)
+        {
+            // Reuse parent object as prefab instance
+            prefabInstance = parentActor;
+        }
+        else if (parentActor = Scripting::TryFindObject<Actor>(rootItem.ParentId))
+        {
+            // Try to find that spawned prefab (eg. prefab with networked script was spawned before so now we need to link it)
+            for (Actor* child : parentActor->Children)
+            {
+                if (child->GetPrefabID() == msgData.PrefabId)
                 {
-                    if (child->GetPrefabID() == msgData.PrefabId)
+                    if (Objects.Contains(child->GetID()))
                     {
-                        if (Objects.Contains(child->GetID()))
+                        obj = FindPrefabObject(child, rootItem.PrefabObjectID);
+                        if (Objects.Contains(obj->GetID()))
                         {
-                            obj = FindPrefabObject(child, msgData.PrefabObjectID);
-                            if (Objects.Contains(obj->GetID()))
-                            {
-                                // Other instance with already spawned network object
-                                obj = nullptr;
-                            }
-                            else
-                            {
-                                // Reuse already spawned object within a parent
-                                prefabInstance = child;
-                                break;
-                            }
+                            // Other instance with already spawned network object
+                            obj = nullptr;
+                        }
+                        else
+                        {
+                            // Reuse already spawned object within a parent
+                            prefabInstance = child;
+                            break;
                         }
                     }
                 }
             }
+        }
+        if (!prefabInstance)
+        {
+            // Spawn prefab
+            auto prefab = (Prefab*)LoadAsset(msgData.PrefabId, Prefab::TypeInitializer);
+            if (!prefab)
+            {
+                NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to find prefab {}", msgData.PrefabId.ToString());
+                return;
+            }
+            prefabInstance = PrefabManager::SpawnPrefab(prefab, nullptr, nullptr);
             if (!prefabInstance)
             {
-                // Spawn prefab
-                auto prefab = (Prefab*)LoadAsset(msgData.PrefabId, Prefab::TypeInitializer);
-                if (!prefab)
-                {
-                    NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to find prefab {}", msgData.PrefabId.ToString());
-                    return;
-                }
-                prefabInstance = PrefabManager::SpawnPrefab(prefab, nullptr, nullptr);
-                if (!prefabInstance)
-                {
-                    NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to spawn object type {}", msgData.PrefabId.ToString());
-                    return;
-                }
-            }
-            if (!obj)
-                obj = FindPrefabObject(prefabInstance, msgData.PrefabObjectID);
-            if (!obj)
-            {
-                NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to find object {} in prefab {}", msgData.PrefabObjectID.ToString(), msgData.PrefabId.ToString());
-                Delete(prefabInstance);
+                NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to spawn object type {}", msgData.PrefabId.ToString());
                 return;
             }
         }
-        else
+        if (!obj)
+            obj = FindPrefabObject(prefabInstance, rootItem.PrefabObjectID);
+        if (!obj)
         {
-            // Spawn object
-            const ScriptingTypeHandle objectType = Scripting::FindScriptingType(msgData.ObjectTypeName);
-            obj = ScriptingObject::NewObject(objectType);
+            NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to find object {} in prefab {}", rootItem.PrefabObjectID.ToString(), msgData.PrefabId.ToString());
+            Delete(prefabInstance);
+            return;
+        }
+    }
+    else
+    {
+        // Spawn object
+        if (msgData.ItemsCount != 1)
+        {
+            NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Only prefab object spawning can contain more than one object (for type {})", String(rootItem.ObjectTypeName));
+            return;
+        }
+        const ScriptingTypeHandle objectType = Scripting::FindScriptingType(rootItem.ObjectTypeName);
+        obj = ScriptingObject::NewObject(objectType);
+        if (!obj)
+        {
+            NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to spawn object type {}", String(rootItem.ObjectTypeName));
+            return;
+        }
+    }
+
+    // Setup all newly spawned objects
+    for (int32 i = 0; i < msgData.ItemsCount; i++)
+    {
+        auto& msgDataItem = msgDataItems[i];
+        if (i != 0)
+        {
+            obj = FindPrefabObject(prefabInstance, msgDataItem.PrefabObjectID);
             if (!obj)
             {
-                NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to spawn object type {}", String(msgData.ObjectTypeName));
+                NETWORK_REPLICATOR_LOG(Error, "[NetworkReplicator] Failed to find object {} in prefab {}", msgDataItem.PrefabObjectID.ToString(), msgData.PrefabId.ToString());
+                Delete(prefabInstance);
                 return;
             }
         }
         if (!obj->IsRegistered())
             obj->RegisterObject();
+        const NetworkReplicatedObject* parent = ResolveObject(msgDataItem.ParentId);
 
         // Add object to the list
         NetworkReplicatedObject item;
@@ -1200,24 +1327,27 @@ void NetworkInternal::OnNetworkMessageObjectSpawn(NetworkEvent& event, NetworkCl
         Objects.Add(MoveTemp(item));
 
         // Boost future lookups by using indirection
-        NETWORK_REPLICATOR_LOG(Info, "[NetworkReplicator] Remap object ID={} into object {}:{}", msgData.ObjectId, item.ToString(), obj->GetType().ToString());
-        IdsRemappingTable.Add(msgData.ObjectId, item.ObjectId);
+        NETWORK_REPLICATOR_LOG(Info, "[NetworkReplicator] Remap object ID={} into object {}:{}", msgDataItem.ObjectId, item.ToString(), obj->GetType().ToString());
+        IdsRemappingTable.Add(msgDataItem.ObjectId, item.ObjectId);
 
         // Automatic parenting for scene objects
         auto sceneObject = ScriptingObject::Cast<SceneObject>(obj);
         if (sceneObject)
         {
-            if (parent && parent->Object.Get() && parent->Object->Is<Actor>())
+            if (parent && parent
+                          ->
+                          Object.Get() && parent->Object->Is<Actor>()
+            )
                 sceneObject->SetParent(parent->Object.As<Actor>());
-            else if (auto* parentActor = Scripting::TryFindObject<Actor>(msgData.ParentId))
+            else if (auto* parentActor = Scripting::TryFindObject<Actor>(msgDataItem.ParentId))
                 sceneObject->SetParent(parentActor);
         }
 
         if (item.AsNetworkObject)
             item.AsNetworkObject->OnNetworkSpawn();
-
-        // TODO: if  we're server then spawn this object further on other clients (use TargetClientIds for that object - eg. object spawned by client on client for certain set of other clients only)
     }
+
+    // TODO: if  we're server then spawn this object further on other clients (use TargetClientIds for that object - eg. object spawned by client on client for certain set of other clients only)
 }
 
 void NetworkInternal::OnNetworkMessageObjectDespawn(NetworkEvent& event, NetworkClient* client, NetworkPeer* peer)