diff --git a/main.json b/main.json
index a02423e..140531d 100644
--- a/main.json
+++ b/main.json
@@ -28,7 +28,7 @@
          "name":"exit",
          "opacity":1,
          "type":"tilelayer",
-         "visible":false,
+         "visible":true,
          "width":100,
          "x":0,
          "y":0
@@ -40,7 +40,7 @@
          "name":"bottom base",
          "opacity":1,
          "type":"tilelayer",
-         "visible":false,
+         "visible":true,
          "width":100,
          "x":0,
          "y":0
@@ -52,7 +52,7 @@
          "name":"bottom overlay 1",
          "opacity":1,
          "type":"tilelayer",
-         "visible":false,
+         "visible":true,
          "width":100,
          "x":0,
          "y":0
@@ -64,7 +64,7 @@
          "objects":[],
          "opacity":1,
          "type":"objectgroup",
-         "visible":false,
+         "visible":true,
          "x":0,
          "y":0
         }, 
@@ -75,7 +75,7 @@
          "name":"top base",
          "opacity":1,
          "type":"tilelayer",
-         "visible":false,
+         "visible":true,
          "width":100,
          "x":0,
          "y":0
@@ -87,7 +87,7 @@
          "name":"top overlay 1",
          "opacity":1,
          "type":"tilelayer",
-         "visible":false,
+         "visible":true,
          "width":100,
          "x":0,
          "y":0
@@ -123,6 +123,16 @@
          "spacing":0,
          "tilecount":256,
          "tileheight":32,
+         "tiles":[
+                {
+                 "id":0,
+                 "properties":[
+                        {
+                         "name":"collides",
+                         "type":"bool",
+                         "value":true
+                        }]
+                }],
          "tilewidth":32
         }, 
         {