diff --git a/src/Core/Crawl/icontrol.h b/src/Core/Crawl/icontrol.h
index ef14381..cd8a7ee 100644
--- a/src/Core/Crawl/icontrol.h
+++ b/src/Core/Crawl/icontrol.h
@@ -42,6 +42,7 @@ public:
      * @return return path to qml view.
      */
     const QString &view() const;
+
 signals:
     void viewChanged();
 
diff --git a/src/Core/Crawl/iworld.cpp b/src/Core/Crawl/iworld.cpp
index 5da6e7d..8a6f9f9 100644
--- a/src/Core/Crawl/iworld.cpp
+++ b/src/Core/Crawl/iworld.cpp
@@ -54,13 +54,20 @@ void IWorld::render(unsigned int tbfMsec) {
     }
 
     _ItemsMutex.lock();
-
+    QList<int> toRemove;
     for (auto i = _items.begin(); i != _items.end(); ++i) {
+        if ((*i)->destroyIsScheduled())
+            toRemove.push_back((*i)->guiId());
+
         (*i)->render(tbfMsec);
     }
 
     _ItemsMutex.unlock();
 
+    for (int id: toRemove) {
+        removeItem(id);
+    }
+
     updateWorld();
 
     int waitTime = 1000 / targetFps() - tbfMsec;
diff --git a/src/Core/Crawl/iworlditem.cpp b/src/Core/Crawl/iworlditem.cpp
index d103ce6..4ca9e24 100644
--- a/src/Core/Crawl/iworlditem.cpp
+++ b/src/Core/Crawl/iworlditem.cpp
@@ -36,16 +36,7 @@ const IWorldItem *IWorldItem::getPlayer() const {
 void IWorldItem::render(unsigned int) {
     if (_playerObject->position().distanceToPoint(position()) >
             _world->cameraReleativePosition().z() * 3) {
-
-        float dX = _world->cameraReleativePosition().z() * 2 +
-                (rand() % static_cast<int>(_world->cameraReleativePosition().z()));
-
-        setX(_playerObject->position().x() + dX);
-
-        float dY = (rand() % static_cast<int>(_world->cameraReleativePosition().z() * 3)
-                                             - _world->cameraReleativePosition().z() * 1.5);
-
-        setY(_playerObject->position().y() + dY);
+        respawn();
     }
 }
 
@@ -64,16 +55,36 @@ bool IWorldItem::isSopportEvent(int event) const {
     return (_supportedEvents & event) == event;
 }
 
+void IWorldItem::destroy() {
+    _fDistroy = true;
+}
+
+void IWorldItem::respawn() {
+    float dX = _world->cameraReleativePosition().z() * 2 +
+            (rand() % static_cast<int>(_world->cameraReleativePosition().z()));
+
+    setX(_playerObject->position().x() + dX);
+
+    float dY = (rand() % static_cast<int>(_world->cameraReleativePosition().z() * 3)
+                                         - _world->cameraReleativePosition().z() * 1.5);
+
+    setY(_playerObject->position().y() + dY);
+}
+
+bool IWorldItem::destroyIsScheduled() const {
+    return _fDistroy;
+}
+
 void IWorldItem::setSupportedEvents(int newSupportedEvents) {
     _supportedEvents = newSupportedEvents;
 }
 
 void IWorldItem::addSupportOfEvent(int newSupportedEvent) {
-
+    _supportedEvents = _supportedEvents | newSupportedEvent;
 }
 
 void IWorldItem::dropSupportOfEvent(int depricatedEvent) {
-
+    _supportedEvents = _supportedEvents & (~depricatedEvent);
 }
 
 bool IWorldItem::isDecorative() const {
diff --git a/src/Core/Crawl/iworlditem.h b/src/Core/Crawl/iworlditem.h
index 438f684..62ed575 100644
--- a/src/Core/Crawl/iworlditem.h
+++ b/src/Core/Crawl/iworlditem.h
@@ -59,6 +59,24 @@ public:
      */
     bool isSopportEvent(int event) const;
 
+    /**
+     * @brief destroy this method will schedule a destroing of this object on the world.
+     * @see IWorldItem::destroyIsScheduled
+     */
+    virtual void destroy();
+
+    /**
+     * @brief respawn this method will schedule a repawning of this object on the world.
+     */
+    virtual void respawn();
+
+    /**
+     * @brief destroyIsScheduled This method return true if the current object has been scheduled to destroy.
+     * @return true if the current object has been scheduled to destroy, else false.
+     * @see IWorldItem::destroy
+     */
+    bool destroyIsScheduled() const;
+
 protected:
 
     /**
@@ -122,7 +140,7 @@ private:
     const IWorldItem *_playerObject = nullptr;
 
     bool _fDecorative = true;
-
+    bool _fDistroy = false;
     int _supportedEvents;
 
     friend class IWorld;
diff --git a/src/Core/Crawl/playableobject.cpp b/src/Core/Crawl/playableobject.cpp
index 0eb9eb0..a9f187e 100644
--- a/src/Core/Crawl/playableobject.cpp
+++ b/src/Core/Crawl/playableobject.cpp
@@ -23,6 +23,10 @@ void PlayableObject::render(unsigned int tbfMsec) {
     MovableObject::render(tbfMsec);
 }
 
+const IControl *PlayableObject::currentControl() const {
+    return _currentControl;
+}
+
 void PlayableObject::setControl(const IControl *control) {
 
 
diff --git a/src/Core/Crawl/playableobject.h b/src/Core/Crawl/playableobject.h
index 5b150cc..e6a39f6 100644
--- a/src/Core/Crawl/playableobject.h
+++ b/src/Core/Crawl/playableobject.h
@@ -57,6 +57,12 @@ public:
      */
     virtual void setControl(const IControl* control);
 
+    /**
+     * @brief currentControl This method return pointer to current control
+     * @return
+     */
+    const IControl *currentControl() const;
+
 protected:
     void render(unsigned int tbfMsec) override;
 
diff --git a/src/Core/Crawl/player.cpp b/src/Core/Crawl/player.cpp
new file mode 100644
index 0000000..f3c5baa
--- /dev/null
+++ b/src/Core/Crawl/player.cpp
@@ -0,0 +1,14 @@
+//#
+//# Copyright (C) 2021-2021 QuasarApp.
+//# Distributed under the GPLv3 software license, see the accompanying
+//# Everyone is permitted to copy and distribute verbatim copies
+//# of this license document, but changing it is not allowed.
+//#
+
+#include "player.h"
+namespace CRAWL {
+
+Player::Player() {
+
+}
+}
diff --git a/src/Core/Crawl/player.h b/src/Core/Crawl/player.h
new file mode 100644
index 0000000..4a33df0
--- /dev/null
+++ b/src/Core/Crawl/player.h
@@ -0,0 +1,26 @@
+//#
+//# Copyright (C) 2021-2021 QuasarApp.
+//# Distributed under the GPLv3 software license, see the accompanying
+//# Everyone is permitted to copy and distribute verbatim copies
+//# of this license document, but changing it is not allowed.
+//#
+
+
+#ifndef PLAYER_H
+#define PLAYER_H
+
+#include "icontrol.h"
+
+namespace CRAWL {
+
+/**
+ * @brief The Player class is main class of users.
+ */
+class CRAWL_EXPORT Player: public IControl
+{
+    Q_OBJECT
+public:
+    Player();
+};
+}
+#endif // PLAYER_H
diff --git a/src/Core/private/user.cpp b/src/Core/private/user.cpp
new file mode 100644
index 0000000..041d3b6
--- /dev/null
+++ b/src/Core/private/user.cpp
@@ -0,0 +1,16 @@
+//#
+//# Copyright (C) 2021-2021 QuasarApp.
+//# Distributed under the GPLv3 software license, see the accompanying
+//# Everyone is permitted to copy and distribute verbatim copies
+//# of this license document, but changing it is not allowed.
+//#
+
+#include "user.h"
+namespace CRAWL {
+
+User::User()
+{
+
+}
+
+}
diff --git a/src/Core/private/user.h b/src/Core/private/user.h
new file mode 100644
index 0000000..47d7796
--- /dev/null
+++ b/src/Core/private/user.h
@@ -0,0 +1,31 @@
+//#
+//# Copyright (C) 2021-2021 QuasarApp.
+//# Distributed under the GPLv3 software license, see the accompanying
+//# Everyone is permitted to copy and distribute verbatim copies
+//# of this license document, but changing it is not allowed.
+//#
+
+#include <QSet>
+
+#ifndef USER_H
+#define USER_H
+
+namespace CRAWL {
+
+/**
+ * @brief The User class This is internal class for collection all user data and user state.
+ */
+class User
+{
+public:
+    User();
+
+private:
+    int _moneu = 0;
+    int _lvl = 0;
+    QSet<int> _unlockedItems;
+
+};
+}
+
+#endif // USER_H