diff --git a/Cirno.sln.DotSettings.user b/Cirno.sln.DotSettings.user
index b2b86807..863ccdb4 100644
--- a/Cirno.sln.DotSettings.user
+++ b/Cirno.sln.DotSettings.user
@@ -7,6 +7,7 @@
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 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ADisposablesTracker_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FDecompilerCache_003Fdecompiler_003F4fd22cd129a84c16b5d8004b467c426f518800_003Fb8_003Fee061233_003FDisposablesTracker_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AEnemy_005FScriptProperties_002Egenerated_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FSourcesCache_003Fd6739058209280d46591ab296d6b49dfcf7ecd2_003FEnemy_005FScriptProperties_002Egenerated_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGameManager_005FScriptMethods_002Egenerated_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FSourcesCache_003F642294f86639b2f8d4cb4d14e791d697e55369_003FGameManager_005FScriptMethods_002Egenerated_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ANode_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FSourcesCache_003Fbb1b701f3c7411227a9d2e09f965d857ff3e771557650c4f513e427d77c_003FNode_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003APlayerMovement_005FScriptMethods_002Egenerated_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FSourcesCache_003F4af4702ac4bbb9ab7299554c41beea2bf703b4a_003FPlayerMovement_005FScriptMethods_002Egenerated_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AScriptManagerBridge_002Ecs_002Fl_003AC_0021_003FUsers_003FMaddo_003FAppData_003FLocal_003FJetBrains_003FShared_003FvAny_003FDecompilerCache_003Fdecompiler_003F4fd22cd129a84c16b5d8004b467c426f518800_003F3a_003Fc456f450_003FScriptManagerBridge_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
diff --git a/Scenes/Actors/fsm_player.tscn b/Scenes/Actors/fsm_player.tscn
index 9387fd42..68f9289c 100644
--- a/Scenes/Actors/fsm_player.tscn
+++ b/Scenes/Actors/fsm_player.tscn
@@ -200,6 +200,7 @@ MaxResource = 32.0
 shape = SubResource("CircleShape2D_igu66")
 
 [node name="InteractionProvider" type="Area2D" parent="." node_paths=PackedStringArray("_inputProvider", "_errorSound")]
+visible = false
 collision_layer = 2
 collision_mask = 4
 script = ExtResource("22_12cwd")
diff --git a/Scripts/Components/Actors/InputProvider.cs b/Scripts/Components/Actors/InputProvider.cs
index 11556bc9..cba09d62 100644
--- a/Scripts/Components/Actors/InputProvider.cs
+++ b/Scripts/Components/Actors/InputProvider.cs
@@ -9,11 +9,13 @@ public abstract partial class InputProvider : Node2D
 
     public abstract bool GetActionJustPressed(string action);
     public abstract bool GetActionPressed(string action);
-
+    public abstract bool GetInventoryJustPressed();
     public abstract bool GetShootPressed();
+    public abstract bool GetShootJustPressed();
     public abstract bool GetUseJustPressed();
     public abstract bool GetScanJustPressed();
     public abstract bool GetStrafePressed();
     public abstract bool GetWeaponNextJustPressed();
     public abstract bool GetWeaponPreviousJustPressed();
+    public abstract bool GetPauseJustPressed();
 }
\ No newline at end of file
diff --git a/Scripts/Components/Actors/KeyboardInputProvider.cs b/Scripts/Components/Actors/KeyboardInputProvider.cs
index 06f32dd1..d1c045d2 100644
--- a/Scripts/Components/Actors/KeyboardInputProvider.cs
+++ b/Scripts/Components/Actors/KeyboardInputProvider.cs
@@ -31,6 +31,8 @@ public partial class KeyboardInputProvider : InputProvider
     [Export] private string _strafeActionName = "strafe";
     [Export] private string _nextWeaponActionName = "next_weapon";
     [Export] private string _previousWeaponActionName = "previous_weapon";
+    [Export] private string _inventoryActionName = "inventory";
+    [Export] private string _pauseActionName = "pause";
 
     public override Vector2 GetMovementInput()
     {
@@ -60,10 +62,20 @@ public partial class KeyboardInputProvider : InputProvider
         return Input.IsActionPressed(action);
     }
 
+    public override bool GetInventoryJustPressed()
+    {
+        return GetActionJustPressed(_inventoryActionName);
+    }
+    
     public override bool GetShootPressed()
     {
         return GetActionPressed(_shootActionName);
     }
+    
+    public override bool GetShootJustPressed()
+    {
+        return GetActionJustPressed(_shootActionName);
+    }
 
     public override bool GetUseJustPressed()
     {
@@ -89,4 +101,9 @@ public partial class KeyboardInputProvider : InputProvider
         return GetActionJustPressed(_previousWeaponActionName);
     }
 
+    public override bool GetPauseJustPressed()
+    {
+        return GetActionJustPressed(_pauseActionName);
+    }
+
 }
\ No newline at end of file
diff --git a/Scripts/Components/FSM/Player/Active.cs b/Scripts/Components/FSM/Player/Active.cs
index 92cb875b..c4903fb7 100644
--- a/Scripts/Components/FSM/Player/Active.cs
+++ b/Scripts/Components/FSM/Player/Active.cs
@@ -35,11 +35,15 @@ public partial class Active : PlayerFSMState
     public int MovementSpeed => _isStrafing ? StrafeSpeed : Speed;
 
     private PlayerStateMachine _player;
+    
+    private Hud _hud;
 
     public override void Init(ActorStateMachine stateMachine)
     {
         base.Init(stateMachine);
 
+        _hud = Hud.Instance;
+
         _player = (PlayerStateMachine)stateMachine;
 
         _damageReceiver.Death += () =>
@@ -50,11 +54,13 @@ public partial class Active : PlayerFSMState
         _damageReceiver.HealthChanged += (value, maxValue) =>
         {
             _animationProvider.Blink();
+            _hud.UpdateHealth(value, maxValue);
         };
 
         _damageReceiver.ShieldChanged += (value, maxValue) =>
         {
             _animationProvider.PlayShieldAnimation();
+            _hud.UpdateShield(value, maxValue);
         };
         
         _damageReceiver.Init();
@@ -128,6 +134,21 @@ public partial class Active : PlayerFSMState
 
         // _crosshair.Position = CalculateCrosshairPosition();
 
+        if (_inputProvider.GetInventoryJustPressed())
+        {
+            GameManager.Instance.ChangeState(GameState.Inventory);
+        }
+
+        if (_inputProvider.GetPauseJustPressed())
+        {
+            //CallDeferred(MethodName.PauseDeferred);
+            PauseDeferred();
+        }
+    }
+
+    private void PauseDeferred()
+    {
+        GameManager.Instance.Pause();
     }
 
     private void HandleShoot()
diff --git a/Scripts/Components/FSM/Player/Dead.cs b/Scripts/Components/FSM/Player/Dead.cs
index f6d25dbb..32d88b37 100644
--- a/Scripts/Components/FSM/Player/Dead.cs
+++ b/Scripts/Components/FSM/Player/Dead.cs
@@ -1,4 +1,5 @@
-using Godot;
+using Cirno.Scripts.Components.Actors;
+using Godot;
 
 namespace Cirno.Scripts.Components.FSM.Player;
 
@@ -6,33 +7,58 @@ public partial class Dead : PlayerFSMState
 {
     [Export]
     private PlayerAnimationProvider _animationProvider;
+    
+    [Export]
+    private InputProvider _inputProvider;
+
+    [Export]
+    private ActorResourceProvider _healthProvider;
+
+    private GameManager _gameManager;
+    private Hud _hud;
 
     public override void Init(ActorStateMachine stateMachine)
     {
         base.Init(stateMachine);
-        // get hud?
         
+        _gameManager = GameManager.Instance;
+        _hud = Hud.Instance;
     }
     
     public override void EnterState()
     {
         _animationProvider.PlayDeathAnimation();
         // show game over
+        
+        _hud.ShowGameOver();
     }
 
     public override void ExitState()
     {
         // Hide game over
+        _hud.HideGameOver();
     }
 
     public override void ProcessState(double delta)
     {
         // wait for button
-        
+        if (_inputProvider.GetShootJustPressed())
+        {
+            Respawn();
+        }
     }
 
     public override void PhysicsProcessState(double delta)
     {
         
     }
+    
+    public void Respawn()
+    {
+        _stateMachine.GlobalPosition = _gameManager.LastCheckpointPosition;
+        _healthProvider.FillResource();
+        _gameManager.ClearBullets();
+        
+        _stateMachine.SetState((int)PlayerState.Active);
+    }
 }
\ No newline at end of file
diff --git a/Scripts/GameManager.cs b/Scripts/GameManager.cs
index 609906d8..55b47065 100644
--- a/Scripts/GameManager.cs
+++ b/Scripts/GameManager.cs
@@ -41,6 +41,9 @@ public partial class GameManager : Node2D
 
     //public AlarmManager AlarmManager => _alarmManager;
 
+    [Export]
+    public string PauseActionName { get; private set; } = "pause";
+
     private Node2D _bulletsContainer;
     public Node2D BulletsContainer => _bulletsContainer;
 
@@ -49,6 +52,8 @@ public partial class GameManager : Node2D
 
     [Signal]
     public delegate void PlayerRespawnedEventHandler();
+    
+    public Vector2 LastCheckpointPosition { get; set; }
 
     // Called when the node enters the scene tree for the first time.
     public override void _Ready()
@@ -104,20 +109,17 @@ public partial class GameManager : Node2D
     {
 
     }
-
-    // Called every frame. 'delta' is the elapsed time since the previous frame.
+    
     public override void _Process(double delta)
     {
-        if (GameState is GameState.Playing && Input.IsActionJustPressed("pause"))
+        if (GameState is GameState.Paused && Input.IsActionJustPressed(PauseActionName))
         {
-            TogglePause();
+            Unpause();
         }
     }
 
     private void DelayPlayerSpawn()
     {
-        //await Task.Delay(500);
-
         if (SpawnMarkers.Any())
         {
             SpawnPlayer();
@@ -244,17 +246,17 @@ public partial class GameManager : Node2D
         AddChild(_bulletsContainer);
     }
 
-    public void TogglePause()
-    {
-        if (GameState == GameState.Paused)
-        {
-            Unpause();
-        }
-        else if (GameState == GameState.Playing)
-        {
-            Pause();
-        }
-    }
+    // public void TogglePause()
+    // {
+    //     if (GameState == GameState.Paused)
+    //     {
+    //         Unpause();
+    //     }
+    //     else if (GameState == GameState.Playing)
+    //     {
+    //         Pause();
+    //     }
+    // }
 
     public void Pause()
     {
@@ -268,7 +270,8 @@ public partial class GameManager : Node2D
     {
         if (GameState == GameState.Paused)
         {
-            ChangeState(GameState.Playing);
+            CallDeferred(MethodName.ChangeState, (int)GameState.Playing);
+            //ChangeState(GameState.Playing);
         }
     }
 
@@ -290,22 +293,19 @@ public partial class GameManager : Node2D
     {
         if (state == GameState) return;
         GameState = state;
-        EmitSignal(nameof(GameStateChange), (int)GameState);
+        EmitSignal(SignalName.GameStateChange, (int)state);
         GD.Print($"Game state changed to {state}");
 
         switch (state)
         {
-            case GameState.Menu:
-                GetTree().SetPause(false);
-                break;
             case GameState.Paused:
             case GameState.Dialogue:
+            case GameState.Inventory:
                 GetTree().SetPause(true);
                 break;
             case GameState.Playing:
-                GetTree().SetPause(false);
-                break;
             case GameState.Controlling:
+            case GameState.Menu:
                 GetTree().SetPause(false);
                 break;
         }
@@ -327,5 +327,6 @@ public enum GameState
     Paused,
     Playing,
     Dialogue,
-    Controlling
+    Controlling,
+    Inventory
 }
\ No newline at end of file
diff --git a/Scripts/Hud.cs b/Scripts/Hud.cs
index 976bd4d9..6b49a72c 100644
--- a/Scripts/Hud.cs
+++ b/Scripts/Hud.cs
@@ -8,6 +8,7 @@ using Cirno.Scripts.UI;
 
 public partial class Hud : CanvasLayer
 {
+	public static Hud Instance { get; private set; }
 	[Signal]
 	public delegate void StartGameEventHandler();
 	
@@ -48,10 +49,11 @@ public partial class Hud : CanvasLayer
 	
 	private PauseMenu _pauseMenu;
 
-	private bool _playerDead = false;
+	private bool _playerDead = false; // useless
 	
 	public override void _Ready()
 	{
+		Instance = this;
 		// Assuming the HUD has a Label node named "HealthLabel"
 		//_healthLabel = GetNode<Label>("HealthLabel");
 		_gameOverPanel.Hide();
@@ -83,6 +85,11 @@ public partial class Hud : CanvasLayer
 		// await ToSignal(GetTree().CreateTimer(1.0), SceneTreeTimer.SignalName.Timeout);
 		// GetNode<Button>("StartButton").Show();
 	}
+
+	public void HideGameOver()
+	{
+		
+	}
 	
 	public void UpdateHealth(float newHealth, float maxHealth)
 	{
@@ -190,20 +197,16 @@ public partial class Hud : CanvasLayer
 
 	public void OnGameStateChanged(GameState state)
 	{
-		// Clear on every change
-		ClearPauseMenu();
-		
 		switch (state)
 		{
-			case GameState.Menu:
-				break;
 			case GameState.Paused:
 				SpawnPauseMenu();
 				break;
+			case GameState.Controlling:
+			case GameState.Menu:
 			case GameState.Playing:
-				ClearPauseMenu();
-				break;
 			case GameState.Dialogue:
+			default:
 				ClearPauseMenu();
 				break;
 		}
diff --git a/Scripts/Resources/Events/UpdateCheckPointEvent.cs b/Scripts/Resources/Events/UpdateCheckPointEvent.cs
index 809038d1..72d4fd1f 100644
--- a/Scripts/Resources/Events/UpdateCheckPointEvent.cs
+++ b/Scripts/Resources/Events/UpdateCheckPointEvent.cs
@@ -17,6 +17,7 @@ public partial class UpdateCheckPointEvent : EventResource
 
     public override void Start(Node2D parent)
     {
+        _gameManager.LastCheckpointPosition = parent.GetNode<Node2D>(Target).GlobalPosition;
         _gameManager.Player.LastCheckPointPosition = parent.GetNode<Node2D>(Target).GlobalPosition;
     }
 
diff --git a/Scripts/UI/ItemsMenu.cs b/Scripts/UI/ItemsMenu.cs
index 2c10ff30..9fcde581 100644
--- a/Scripts/UI/ItemsMenu.cs
+++ b/Scripts/UI/ItemsMenu.cs
@@ -7,6 +7,14 @@ public partial class ItemsMenu : ItemList
 {
     private InventoryManager _inventoryManager;
     private Dictionary<long, string> _itemsDic = new();
+
+    private GameManager _gameManager;
+    
+    [Export]
+    public string InventoryActionName { get; private set; } = "inventory";
+    
+    [Export]
+    public string PauseActionName { get; private set; } = "pause";
     
     public override void _Ready()
     {
@@ -16,48 +24,68 @@ public partial class ItemsMenu : ItemList
 
     public override void _Process(double delta)
     {
-        if (Input.IsActionJustPressed("inventory"))
+        if (Input.IsActionJustPressed(InventoryActionName) || Input.IsActionJustPressed(PauseActionName))
         {
-            if (!Visible)
+            if (Visible)
             {
-                ShowInventory();
-            }
-            else
-            {
-                HideInventory();
+                CallDeferred(MethodName.HideInventory);
             }
+            // else
+            // {
+            //     ShowInventory();
+            // }
         }
     }
 
     private void DeferredInitialize()
     {
-        _inventoryManager = GameManager.Instance.GetInventoryManager();
+        _gameManager = GameManager.Instance;
+        _inventoryManager = _gameManager.GetInventoryManager();
         
         ItemSelected += OnItemSelected;
         Clear();
         
         ItemActivated += OnItemSelected;
+
+        _gameManager.GameStateChange += state =>
+        {
+            switch (state)
+            {
+                case GameState.Inventory:
+                    CallDeferred(MethodName.ShowInventory);
+                    break;
+                default:
+                    CallDeferred(MethodName.HideInventory);
+                    //HideInventory();
+                    break;
+            }
+        };
     }
 
     private void OnItemSelected(long index)
     {
         var item = _itemsDic[index];
         GD.Print("Item: " + item);
-
-        _inventoryManager.UseItem(item);
-        
         HideInventory();
+        
+        _inventoryManager.UseItem(item);
     }
 
-    public void HideInventory()
+    private void HideInventory()
     {
+        if (!Visible) return;
+        GD.Print("Hiding inventory");
         this.Hide();
         Clear();
         _itemsDic.Clear();
+        
+        GameManager.Instance.ChangeState(GameState.Playing);
     }
 
-    public void ShowInventory()
+    private void ShowInventory()
     {
+        if (Visible) return;
+        GD.Print("Showing inventory");
         this.Show();
         foreach (var item in _inventoryManager.Items)
         {
diff --git a/Scripts/UI/PauseMenu.cs b/Scripts/UI/PauseMenu.cs
index b0999c5e..62ee341a 100644
--- a/Scripts/UI/PauseMenu.cs
+++ b/Scripts/UI/PauseMenu.cs
@@ -4,6 +4,9 @@ namespace Cirno.Scripts.UI;
 
 public partial class PauseMenu : Control
 {
+    [Export]
+    public string PauseActionName = "pause";
+    
     [ExportGroup("Scenes")]
     [Export]
     public string MainMenuScene { get; private set; }
@@ -11,13 +14,13 @@ public partial class PauseMenu : Control
     [ExportGroup("Buttons")]
     [Export]
     public Button ResumeButton { get; private set; }
-    [ExportGroup("Buttons")]
+
     [Export]
     public Button QuitButton { get; private set; }
-    [ExportGroup("Buttons")]
+
     [Export]
     public Button OptionsButton { get; private set; }
-    [ExportGroup("Buttons")]
+
     [Export]
     public Button DebugButton { get; private set; }
 
@@ -36,6 +39,14 @@ public partial class PauseMenu : Control
         DebugButton.Pressed += DebugButtonOnPressed;
     }
 
+    public override void _Process(double delta)
+    {
+        if (_gameManager.GameState == GameState.Paused && Input.IsActionJustPressed(PauseActionName))
+        {
+            _gameManager.Unpause();
+        }
+    }
+
     private void DebugButtonOnPressed()
     {
         EmitSignal(SignalName.SpawnDebugMenu);