diff --git a/Ajedrez_Purgatorio.slnx b/Ajedrez_Purgatorio.slnx
index 4fd305c..6add7f9 100644
--- a/Ajedrez_Purgatorio.slnx
+++ b/Ajedrez_Purgatorio.slnx
@@ -1,36 +1,7 @@
 <Solution>
   <Project Path="AjedrezPurgatorio.Runtime.csproj" />
-  <Project Path="Unity.Multiplayer.Center.Editor.csproj" />
-  <Project Path="Unity.VisualScripting.Core.Editor.csproj" />
-  <Project Path="Unity.Notifications.iOS.csproj" />
-  <Project Path="Unity.VisualScripting.Flow.Editor.csproj" />
-  <Project Path="Unity.Notifications.Android.csproj" />
-  <Project Path="Unity.VisualScripting.Core.csproj" />
-  <Project Path="Unity.VisualScripting.State.Editor.csproj" />
-  <Project Path="Unity.VisualScripting.Flow.csproj" />
   <Project Path="Assembly-CSharp.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Editor.csproj" />
-  <Project Path="Unity.VisualScripting.State.csproj" />
-  <Project Path="Unity.Notifications.csproj" />
-  <Project Path="Unity.AdaptivePerformance.csproj" />
   <Project Path="Assembly-CSharp-Editor.csproj" />
-  <Project Path="Unity.Multiplayer.Center.Common.csproj" />
-  <Project Path="Unity.Notifications.Unified.csproj" />
-  <Project Path="Unity.Multiplayer.Center.Editor.Tests.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Editor.Tests.csproj" />
-  <Project Path="Unity.VisualScripting.SettingsProvider.Editor.csproj" />
-  <Project Path="Unity.Notifications.Tests.csproj" />
-  <Project Path="Unity.VisualScripting.Shared.Editor.csproj" />
-  <Project Path="Unity.iOS.Notifications.Tests.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Integration.Editor.Tests.csproj" />
-  <Project Path="Unity.AdaptivePerformance.Tests.csproj" />
   <Project Path="EditModeTests.csproj" />
-  <Project Path="Unity.Multiplayer.Center.Tests.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Shared.Editor.Tests.csproj" />
-  <Project Path="Unity.VisualScripting.DocCodeExamples.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Runtime.Tests.csproj" />
-  <Project Path="Unity.Android.Notifications.Tests.csproj" />
-  <Project Path="Unity.Notifications.Unified.Tests.csproj" />
-  <Project Path="Unity.Mobile.AndroidLogcat.Performance.Editor.Tests.csproj" />
   <Project Path="AjedrezPurgatorio.Spikes.csproj" />
 </Solution>
diff --git a/Assets/Editor/SetupChapterScenes.cs b/Assets/Editor/SetupChapterScenes.cs
index 2141e92..1c836db 100644
--- a/Assets/Editor/SetupChapterScenes.cs
+++ b/Assets/Editor/SetupChapterScenes.cs
@@ -6,6 +6,7 @@ using UnityEngine.UI;
 using TMPro;
 using System.IO;
 using AjedrezPurgatorio.Data;
+using AjedrezPurgatorio.Gameplay;
 using AjedrezPurgatorio.Meta;
 using AjedrezPurgatorio.UI;
 
diff --git a/Assets/Game/Scripts/AjedrezPurgatorio.Runtime.asmdef b/Assets/Game/Scripts/AjedrezPurgatorio.Runtime.asmdef
index 7baf117..10eb666 100644
--- a/Assets/Game/Scripts/AjedrezPurgatorio.Runtime.asmdef
+++ b/Assets/Game/Scripts/AjedrezPurgatorio.Runtime.asmdef
@@ -3,7 +3,8 @@
     "rootNamespace": "",
     "references": [
         "Unity.TextMeshPro",
-        "UnityEngine.UI"
+        "UnityEngine.UI",
+        "Unity.InputSystem"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],
diff --git a/Assets/Tests/EditMode/CheckDetectorTests.cs.meta b/Assets/Tests/EditMode/CheckDetectorTests.cs.meta
new file mode 100644
index 0000000..1f48f8d
--- /dev/null
+++ b/Assets/Tests/EditMode/CheckDetectorTests.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 5e7e7f59c83937e43a93c19fc2dff584
\ No newline at end of file
diff --git a/Assets/Tests/EditMode/DrawDetectorTests.cs.meta b/Assets/Tests/EditMode/DrawDetectorTests.cs.meta
new file mode 100644
index 0000000..9d247ba
--- /dev/null
+++ b/Assets/Tests/EditMode/DrawDetectorTests.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8acf45a40afb6e046bfd0fe9ad0f4a43
\ No newline at end of file
diff --git a/Assets/Tests/EditMode/MoveValidatorTests.cs.meta b/Assets/Tests/EditMode/MoveValidatorTests.cs.meta
new file mode 100644
index 0000000..184cde7
--- /dev/null
+++ b/Assets/Tests/EditMode/MoveValidatorTests.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 45ac7892fa5e7694193ae62aed7374b2
\ No newline at end of file
diff --git a/Packages/packages-lock.json b/Packages/packages-lock.json
index 249db05..caade8a 100644
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -10,11 +10,11 @@
       }
     },
     "com.unity.2d.animation": {
-      "version": "13.0.4",
+      "version": "13.0.6",
       "depth": 1,
       "source": "registry",
       "dependencies": {
-        "com.unity.2d.common": "12.0.2",
+        "com.unity.2d.common": "12.0.4",
         "com.unity.2d.sprite": "1.0.0",
         "com.unity.collections": "2.4.3",
         "com.unity.modules.animation": "1.0.0",
@@ -23,11 +23,11 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.2d.aseprite": {
-      "version": "3.0.1",
+      "version": "3.0.2",
       "depth": 1,
       "source": "registry",
       "dependencies": {
-        "com.unity.2d.common": "12.0.1",
+        "com.unity.2d.common": "12.0.3",
         "com.unity.2d.sprite": "1.0.0",
         "com.unity.2d.tilemap": "1.0.0",
         "com.unity.mathematics": "1.2.6",
@@ -36,7 +36,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.2d.common": {
-      "version": "12.0.2",
+      "version": "12.0.4",
       "depth": 2,
       "source": "registry",
       "dependencies": {
@@ -60,11 +60,11 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.2d.psdimporter": {
-      "version": "12.0.1",
+      "version": "12.0.2",
       "depth": 1,
       "source": "registry",
       "dependencies": {
-        "com.unity.2d.common": "12.0.1",
+        "com.unity.2d.common": "12.0.3",
         "com.unity.2d.sprite": "1.0.0",
         "com.unity.2d.tilemap": "1.0.0"
       },
@@ -97,7 +97,7 @@
       }
     },
     "com.unity.2d.tilemap.extras": {
-      "version": "6.0.1",
+      "version": "6.0.3",
       "depth": 1,
       "source": "registry",
       "dependencies": {
@@ -108,11 +108,11 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.2d.tooling": {
-      "version": "1.0.2",
+      "version": "1.0.4",
       "depth": 1,
       "source": "registry",
       "dependencies": {
-        "com.unity.2d.common": "12.0.2",
+        "com.unity.2d.common": "12.0.4",
         "com.unity.modules.uielements": "1.0.0"
       },
       "url": "https://packages.unity.com"
@@ -171,15 +171,15 @@
       "depth": 0,
       "source": "builtin",
       "dependencies": {
-        "com.unity.2d.animation": "13.0.4",
+        "com.unity.2d.animation": "13.0.6",
         "com.unity.2d.pixel-perfect": "5.1.1",
-        "com.unity.2d.psdimporter": "12.0.1",
+        "com.unity.2d.psdimporter": "12.0.2",
         "com.unity.2d.sprite": "1.0.0",
         "com.unity.2d.spriteshape": "13.0.0",
         "com.unity.2d.tilemap": "1.0.0",
-        "com.unity.2d.tilemap.extras": "6.0.1",
-        "com.unity.2d.aseprite": "3.0.1",
-        "com.unity.2d.tooling": "1.0.2"
+        "com.unity.2d.tilemap.extras": "6.0.3",
+        "com.unity.2d.aseprite": "3.0.2",
+        "com.unity.2d.tooling": "1.0.4"
       }
     },
     "com.unity.ide.rider": {