diff --git a/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset b/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset
new file mode 100644
index 0000000..14842ae
--- /dev/null
+++ b/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset	
@@ -0,0 +1,14 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 5aece1c1f67b46afaf249c4520a0478f, type: 3}
+  m_Name: Place On Bottom Row
+  m_EditorClassIdentifier: 
diff --git a/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset.meta b/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset.meta
new file mode 100644
index 0000000..e495c6d
--- /dev/null
+++ b/Assets/Engine/Assets/Requirements/Place On Bottom Row.asset.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 49248c593c97bff4f8889e5c4da6c1bb
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs b/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs
new file mode 100644
index 0000000..493074d
--- /dev/null
+++ b/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using EscapeRoomEngine.Engine.Runtime.Modules;
+using UnityEngine;
+
+namespace EscapeRoomEngine.Engine.Runtime.Requirements.Placement
+{
+    /// <summary>
+    /// This requirement guarantees that the back side of the module is placed on the bottom row of the space.
+    /// </summary>
+    [CreateAssetMenu(menuName = "Requirements/Place On Bottom Row")]
+    public class PlaceOnBottomRow : PlacementRequirement
+    {
+        protected override List<Utilities.Placement> FilterCandidates(List<Utilities.Placement> candidates, Module module, Space space)
+        {
+            candidates.RemoveAll(candidate =>
+            {
+                var (left, right) = candidate.BackCorners;
+                return !(left.z == 0 && right.z == 0);
+            });
+
+            return candidates;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs.meta b/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs.meta
new file mode 100644
index 0000000..b250717
--- /dev/null
+++ b/Assets/Engine/Runtime/Requirements/Placement/PlaceOnBottomRow.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 5aece1c1f67b46afaf249c4520a0478f
+timeCreated: 1683644196
\ No newline at end of file
diff --git a/Assets/Station46/Module Descriptions/D Station 46 Portal Exit.asset b/Assets/Station46/Module Descriptions/D Station 46 Portal Exit.asset
index a1714b9..c7518bf 100644
--- a/Assets/Station46/Module Descriptions/D Station 46 Portal Exit.asset	
+++ b/Assets/Station46/Module Descriptions/D Station 46 Portal Exit.asset	
@@ -18,7 +18,7 @@ MonoBehaviour:
   preconditionRequirements: []
   placementRequirements:
   - {fileID: 11400000, guid: 43eb2a566a244964aa3a3319eaafe1a8, type: 2}
-  - {fileID: 11400000, guid: ed4830127e9381245a6af07e42c52422, type: 2}
+  - {fileID: 11400000, guid: 49248c593c97bff4f8889e5c4da6c1bb, type: 2}
   - {fileID: 11400000, guid: 1f1825b71bae09c438a1cb52603347d6, type: 2}
   connectedDoorDescription: {fileID: 11400000, guid: 58d2a66244450b94d8a266569cb8d2fa,
     type: 2}
diff --git a/Assets/Station46/Modules/Portal/Station 46 Portal Entrance.prefab b/Assets/Station46/Modules/Portal/Station 46 Portal Entrance.prefab
index 3345ce8..b633d15 100644
--- a/Assets/Station46/Modules/Portal/Station 46 Portal Entrance.prefab	
+++ b/Assets/Station46/Modules/Portal/Station 46 Portal Entrance.prefab	
@@ -182,6 +182,38 @@ MeshRenderer:
   m_SortingLayer: 0
   m_SortingOrder: 0
   m_AdditionalVertexStreams: {fileID: 0}
+--- !u!1 &3937028285041533707
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 3598993336778173019}
+  m_Layer: 7
+  m_Name: Rotation
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &3598993336778173019
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3937028285041533707}
+  m_LocalRotation: {x: 0, y: 0.7071068, z: 0, w: 0.7071068}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children:
+  - {fileID: 6713443008366400661}
+  m_Father: {fileID: 2246995198243242195}
+  m_RootOrder: -1
+  m_LocalEulerAnglesHint: {x: 0, y: 90, z: 0}
 --- !u!1 &5635962022185625128
 GameObject:
   m_ObjectHideFlags: 0
@@ -212,7 +244,7 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children:
-  - {fileID: 6713443008366400661}
+  - {fileID: 3598993336778173019}
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -242,7 +274,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 20837d5efd544d3eb07657f581cb76d2, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  size: {x: 2, y: 1}
+  size: {x: 1, y: 1}
   linkedPortal: {fileID: 0}
   minNearClipPlane: 0.0001
   screen: {fileID: 6419237152131296747}
@@ -389,15 +421,15 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 8849014083961458004}
-  m_LocalRotation: {x: -0, y: 1, z: -0, w: 0.00000043213367}
-  m_LocalPosition: {x: -0.5, y: 0, z: 0}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0.5, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children:
   - {fileID: 8069972016317824103}
-  m_Father: {fileID: 2246995198243242195}
+  m_Father: {fileID: 3598993336778173019}
   m_RootOrder: -1
-  m_LocalEulerAnglesHint: {x: 0, y: 180, z: 0}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &9139844951969793274
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Station46/Modules/Portal/Station 46 Portal Exit.prefab b/Assets/Station46/Modules/Portal/Station 46 Portal Exit.prefab
index 4ef5b5b..d28a437 100644
--- a/Assets/Station46/Modules/Portal/Station 46 Portal Exit.prefab	
+++ b/Assets/Station46/Modules/Portal/Station 46 Portal Exit.prefab	
@@ -66,7 +66,7 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children:
-  - {fileID: 5709573715699328820}
+  - {fileID: 2142869703928894347}
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -96,11 +96,43 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 20837d5efd544d3eb07657f581cb76d2, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  size: {x: 2, y: 1}
+  size: {x: 1, y: 1}
   linkedPortal: {fileID: 0}
   minNearClipPlane: 0.0001
   screen: {fileID: 844969720899552114}
   portalTransform: {fileID: 8080754438967713432}
+--- !u!1 &3231959822301966204
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 2142869703928894347}
+  m_Layer: 7
+  m_Name: Rotation
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &2142869703928894347
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3231959822301966204}
+  m_LocalRotation: {x: -0, y: 0.7071068, z: -0, w: 0.7071068}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children:
+  - {fileID: 5709573715699328820}
+  m_Father: {fileID: 9212560043793041154}
+  m_RootOrder: -1
+  m_LocalEulerAnglesHint: {x: 0, y: 90, z: 0}
 --- !u!1 &3701970131638747585
 GameObject:
   m_ObjectHideFlags: 0
@@ -464,15 +496,15 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 8458413232787400471}
-  m_LocalRotation: {x: -0, y: 1, z: -0, w: 0.000000059604638}
-  m_LocalPosition: {x: -0.5, y: 0, z: -0.1}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0.5, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children:
   - {fileID: 7147726913666778841}
-  m_Father: {fileID: 9212560043793041154}
+  m_Father: {fileID: 2142869703928894347}
   m_RootOrder: -1
-  m_LocalEulerAnglesHint: {x: 0, y: 180, z: 0}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &9093302644436404973
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Station46/Station 46.asset b/Assets/Station46/Station 46.asset
index 3ae4c03..2ec1b95 100644
--- a/Assets/Station46/Station 46.asset	
+++ b/Assets/Station46/Station 46.asset	
@@ -12,8 +12,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 28d04249c1c4438da94b524e7d4afff2, type: 3}
   m_Name: Station 46
   m_EditorClassIdentifier: 
-  minRoomSize: {x: 4, y: 2}
-  playSpace: {x: 4, y: 2}
+  minRoomSize: {x: 2, y: 4}
+  playSpace: {x: 2, y: 4}
   spaceTile: {fileID: 3229991053255736984, guid: b8f192f7cebe686468af6b1a71c4605b,
     type: 3}
   environment: {fileID: 5743657079028767629, guid: 17ecdbaca50efaa4ab503614dfec54a8,