diff --git a/front/package.json b/front/package.json
index cc977cdc..eae92cd2 100644
--- a/front/package.json
+++ b/front/package.json
@@ -47,6 +47,7 @@
     "@types/socket.io-client": "^1.4.32",
     "axios": "^0.21.2",
     "cross-env": "^7.0.3",
+    "deep-copy-ts": "^0.5.0",
     "generic-type-guard": "^3.2.0",
     "google-protobuf": "^3.13.0",
     "phaser": "^3.54.0",
diff --git a/front/src/Connexion/Room.ts b/front/src/Connexion/Room.ts
index 6bd53c8b..389405a0 100644
--- a/front/src/Connexion/Room.ts
+++ b/front/src/Connexion/Room.ts
@@ -82,7 +82,7 @@ export class Room {
         const currentRoom = new Room(baseUrl);
         let instance: string = "global";
         if (currentRoom.isPublic) {
-            instance = currentRoom.instance as string;
+            instance = currentRoom.getInstance();
         }
 
         baseUrl.pathname = "/_/" + instance + "/" + absoluteExitSceneUrl.host + absoluteExitSceneUrl.pathname;
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index 25d691c3..b31ed83b 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -87,9 +87,11 @@ import GameObject = Phaser.GameObjects.GameObject;
 import DOMElement = Phaser.GameObjects.DOMElement;
 import Tileset = Phaser.Tilemaps.Tileset;
 import SpriteSheetFile = Phaser.Loader.FileTypes.SpriteSheetFile;
+import { deepCopy } from "deep-copy-ts";
 import FILE_LOAD_ERROR = Phaser.Loader.Events.FILE_LOAD_ERROR;
 import { MapStore } from "../../Stores/Utils/MapStore";
 import { SetPlayerDetailsMessage } from "../../Messages/generated/messages_pb";
+
 export interface GameSceneInitInterface {
     initPosition: PointInterface | null;
     reconnecting: boolean;
@@ -342,7 +344,10 @@ export class GameScene extends DirtyScene {
     private async onMapLoad(data: any): Promise<void> {
         // Triggered when the map is loaded
         // Load tiles attached to the map recursively
-        this.mapFile = data.data;
+
+        // The map file can be modified by the scripting API and we don't want to tamper the Phaser cache (in case we come back on the map after visiting other maps)
+        // So we are doing a deep copy
+        this.mapFile = deepCopy(data.data);
         const url = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf("/"));
         this.mapFile.tilesets.forEach((tileset) => {
             if (typeof tileset.name === "undefined" || typeof tileset.image === "undefined") {
diff --git a/front/yarn.lock b/front/yarn.lock
index 37834b34..1557a08e 100644
--- a/front/yarn.lock
+++ b/front/yarn.lock
@@ -1706,6 +1706,11 @@ dedent@^0.7.0:
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
   integrity sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=
 
+deep-copy-ts@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/deep-copy-ts/-/deep-copy-ts-0.5.0.tgz#b9493d8e2bae85ef7d659c16eb707c13efb84499"
+  integrity sha512-/3cgBcMkznRf5BM8wu6YWz3SQUkHzgh/v1TZFjevztLj9sMjFvNFBtpN4uUtPzw/rA/TldyD6c6LRL1zno4+YA==
+
 deep-equal@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.1.1.tgz#b5c98c942ceffaf7cb051e24e1434a25a2e6076a"
diff --git a/maps/tests/Properties/exitSceneUrl1.json b/maps/tests/Properties/exitSceneUrl1.json
new file mode 100644
index 00000000..463bf686
--- /dev/null
+++ b/maps/tests/Properties/exitSceneUrl1.json
@@ -0,0 +1,167 @@
+{ "compressionlevel":-1,
+ "height":10,
+ "infinite":false,
+ "layers":[
+        {
+         "data":[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         "height":10,
+         "id":1,
+         "name":"floor",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":2,
+         "name":"start",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17],
+         "height":10,
+         "id":7,
+         "name":"walls",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":8,
+         "name":"exit",
+         "opacity":1,
+         "properties":[
+                {
+                 "name":"exitSceneUrl",
+                 "type":"string",
+                 "value":"exitSceneUrl2.json"
+                }],
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":9,
+         "name":"from_exit2",
+         "opacity":1,
+         "properties":[
+                {
+                 "name":"startLayer",
+                 "type":"bool",
+                 "value":true
+                }],
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "draworder":"topdown",
+         "id":3,
+         "name":"floorLayer",
+         "objects":[
+                {
+                 "height":263.008397229317,
+                 "id":1,
+                 "name":"",
+                 "rotation":0,
+                 "text":
+                    {
+                     "fontfamily":"Sans Serif",
+                     "pixelsize":13,
+                     "text":"You are on Map 1\n\nTest:\nWalk through the exit.\n\nResult:\nYou should arrive to Map 2\n",
+                     "wrap":true
+                    },
+                 "type":"",
+                 "visible":true,
+                 "width":249.954975648686,
+                 "x":35.2740564642832,
+                 "y":34.4372323693377
+                }],
+         "opacity":1,
+         "type":"objectgroup",
+         "visible":true,
+         "x":0,
+         "y":0
+        }],
+ "nextlayerid":10,
+ "nextobjectid":2,
+ "orientation":"orthogonal",
+ "renderorder":"right-down",
+ "tiledversion":"2021.03.23",
+ "tileheight":32,
+ "tilesets":[
+        {
+         "columns":11,
+         "firstgid":1,
+         "image":"../tileset1.png",
+         "imageheight":352,
+         "imagewidth":352,
+         "margin":0,
+         "name":"tileset1",
+         "spacing":0,
+         "tilecount":121,
+         "tileheight":32,
+         "tiles":[
+                {
+                 "id":16,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":17,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":18,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":19,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                }],
+         "tilewidth":32
+        }],
+ "tilewidth":32,
+ "type":"map",
+ "version":1.5,
+ "width":10
+}
diff --git a/maps/tests/Properties/exitSceneUrl2.json b/maps/tests/Properties/exitSceneUrl2.json
new file mode 100644
index 00000000..bc2aa4d3
--- /dev/null
+++ b/maps/tests/Properties/exitSceneUrl2.json
@@ -0,0 +1,149 @@
+{ "compressionlevel":-1,
+ "height":10,
+ "infinite":false,
+ "layers":[
+        {
+         "data":[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         "height":10,
+         "id":1,
+         "name":"floor",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":2,
+         "name":"start",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17],
+         "height":10,
+         "id":7,
+         "name":"walls",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":8,
+         "name":"exit",
+         "opacity":1,
+         "properties":[
+                {
+                 "name":"exitSceneUrl",
+                 "type":"string",
+                 "value":"exitSceneUrl1.json#from_exit2"
+                }],
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        },
+        {
+         "draworder":"topdown",
+         "id":3,
+         "name":"floorLayer",
+         "objects":[
+                {
+                 "height":263.008397229317,
+                 "id":1,
+                 "name":"",
+                 "rotation":0,
+                 "text":
+                    {
+                     "fontfamily":"Sans Serif",
+                     "pixelsize":13,
+                     "text":"You are on Map 2\n\nTest:\nWalk back through the exit.\n\nResult:\nYou should arrive back to Map 1\n",
+                     "wrap":true
+                    },
+                 "type":"",
+                 "visible":true,
+                 "width":249.954975648686,
+                 "x":35.2740564642832,
+                 "y":34.4372323693377
+                }],
+         "opacity":1,
+         "type":"objectgroup",
+         "visible":true,
+         "x":0,
+         "y":0
+        }],
+ "nextlayerid":9,
+ "nextobjectid":2,
+ "orientation":"orthogonal",
+ "renderorder":"right-down",
+ "tiledversion":"2021.03.23",
+ "tileheight":32,
+ "tilesets":[
+        {
+         "columns":11,
+         "firstgid":1,
+         "image":"../tileset1.png",
+         "imageheight":352,
+         "imagewidth":352,
+         "margin":0,
+         "name":"tileset1",
+         "spacing":0,
+         "tilecount":121,
+         "tileheight":32,
+         "tiles":[
+                {
+                 "id":16,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":17,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":18,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                },
+                {
+                 "id":19,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                }],
+         "tilewidth":32
+        }],
+ "tilewidth":32,
+ "type":"map",
+ "version":1.5,
+ "width":10
+}
diff --git a/maps/tests/index.html b/maps/tests/index.html
index ffe389b3..066bcaeb 100644
--- a/maps/tests/index.html
+++ b/maps/tests/index.html
@@ -64,6 +64,14 @@
                         <a href="#" class="testLink" data-testmap="exit1.json" target="_blank">Test exits</a>
                     </td>
                 </tr>
+                <tr>
+                    <td>
+                        <input type="radio" name="test-exitSceneUrl"> Success <input type="radio" name="test-exitSceneUrl"> Failure <input type="radio" name="test-exitSceneUrl" checked> Pending
+                    </td>
+                    <td>
+                        <a href="#" class="testLink" data-testmap="Properties/exitSceneUrl1.json" target="_blank">Test the (deprecated) exitSceneUrl property</a>
+                    </td>
+                </tr>
                 <tr>
                     <td>
                         <input type="radio" name="test-start-tile-s1tos2"> Success <input type="radio" name="test-start-tile-s1tos2"> Failure <input type="radio" name="test-start-tile-s1tos2" checked> Pending