diff --git a/notes.org b/notes.org
index 55bae5c..e7c5c87 100644
--- a/notes.org
+++ b/notes.org
@@ -8,4 +8,6 @@ Title: Entire game on one screen
 ** "tote" flächen einbauen (krater, berge)                     :jonas:aaron:
 ** Spielstart in irgend einer weise ... (grafik)
 ** Hint für shortcuts anzeigen                                       :ruben:
-** Preise für entities                                               :ruben:
\ No newline at end of file
+** Preise für entities                                               :ruben:
+** Silos: Farben je nach Kapazität einfärben
+** Game balancing :D
diff --git a/public/images/actions.png b/public/images/actions.png
index ba7dad4..774ea4c 100644
Binary files a/public/images/actions.png and b/public/images/actions.png differ
diff --git a/public/images/deadtiles.png b/public/images/deadtiles.png
new file mode 100644
index 0000000..435058e
Binary files /dev/null and b/public/images/deadtiles.png differ
diff --git a/public/images/layers-details.png b/public/images/layers-details.png
index 9dba3cd..8116c52 100644
Binary files a/public/images/layers-details.png and b/public/images/layers-details.png differ
diff --git a/public/images/layers.png b/public/images/layers.png
index 911857b..2c6429c 100644
Binary files a/public/images/layers.png and b/public/images/layers.png differ
diff --git a/src/app.coffee b/src/app.coffee
index a55e202..ea953ed 100644
--- a/src/app.coffee
+++ b/src/app.coffee
@@ -5,7 +5,7 @@ app = playground(
   smoothing: false,
 
   create: ->
-    @loadImages "layers", "active", "progress", "selected", "entities", "hud", "actions", "speechbubbles"
+    @loadImages "layers", "active", "progress", "selected", "entities", "hud", "actions", "speechbubbles", "deadtiles"
     @currentHoveredTile = new Tile
   
   ready: ->
diff --git a/src/tiles/tile.coffee b/src/tiles/tile.coffee
index c7a6dec..ccb40ba 100644
--- a/src/tiles/tile.coffee
+++ b/src/tiles/tile.coffee
@@ -6,12 +6,14 @@ class Tile
       @layers.push new Tilelayer(
         type: restype,
         depth: i,
-        amount: Math.round(Math.random(app.game.maxTileAmount-10)+10)
+        amount: Math.round(Math.random()*app.game.maxTileAmount)+1
       )
     
     @currentLayer = 0
     @entity = null
     @isActive = false
+    @isBuildable = !(Math.round(Math.random()*10) == 5)
+    @randomSeed = Math.round(Math.random()*10)
 
   click: (button)->
     if button == "left"
@@ -46,6 +48,10 @@ class Tile
     tileLayer = @getCurrentLayer()
     app.layer.drawRegion app.images.layers, tileLayer.sprite, x*8, y*8
 
+    unless @isBuildable
+      app.layer.drawRegion app.images.deadtiles, [8*@randomSeed, 0, 8, 8], x*8, y*8
+      return
+
     if @entity
       app.layer.drawRegion app.images.entities, @entity.sprite(), x*8, y*8