diff --git a/core/src/fr/evolving/UI/Menu.java b/core/src/fr/evolving/UI/Menu.java
index 007e975..b1f365f 100644
--- a/core/src/fr/evolving/UI/Menu.java
+++ b/core/src/fr/evolving/UI/Menu.java
@@ -230,16 +230,25 @@ public class Menu extends Actor {
 
 	public void update() {
 		clearall();
-		this.setMenuTile(0, 7, 71, "copper_pen",0);
-		this.setMenuTile(1, 7, 72, "copper_brush",0);
-		this.setMenuTile(2, 7, 73, "copper_eraser",0);
-		this.setMenuTile(1, 5, 70, "blank",0);
-		this.setMenuTile(0, 6, 74, "fiber_pen",0);
-		this.setMenuTile(1, 6, 75, "fiber_brush",0);
-		this.setMenuTile(2, 6, 76, "fiber_eraser",0);
-		this.setMenuTile(0, 5, 77, "transmuter_eraser",0);
-		this.setMenuTile(2, 5, 78, "all_eraser",0);
-		this.setMenuTile(3, 3, 79, "cleaner",0);
+		if (worlds.getInformations().Cout>=0)
+		{
+			this.setMenuTile(0, 7, 71, "copper_pen",0);
+			this.setMenuTile(1, 7, 72, "copper_brush",0);
+			this.setMenuTile(2, 7, 73, "copper_eraser",0);
+			this.setMenuTile(3, 3, 79, "cleaner",0);
+		}
+		if (worlds.getInformations().Tech>=0)
+		{
+			this.setMenuTile(0, 5, 77, "transmuter_eraser",0);
+		}
+		if (worlds.getInformations().Tech>=2)
+		{
+			this.setMenuTile(1, 5, 70, "blank",0);
+			this.setMenuTile(0, 6, 74, "fiber_pen",0);
+			this.setMenuTile(1, 6, 75, "fiber_brush",0);
+			this.setMenuTile(2, 6, 76, "fiber_eraser",0);
+			this.setMenuTile(2, 5, 78, "all_eraser",0);
+		}
 		this.setMenuTransmuter(0, 7, "+", Angular.A00,0);
 		this.setMenuTransmuter(2, 7, "-", Angular.A00,0);
 		this.setMenuTransmuter(0, 6, "++", Angular.A00,0);
diff --git a/core/src/fr/evolving/UI/Objectives.java b/core/src/fr/evolving/UI/Objectives.java
index fd6d423..256bae1 100644
--- a/core/src/fr/evolving/UI/Objectives.java
+++ b/core/src/fr/evolving/UI/Objectives.java
@@ -35,19 +35,19 @@ public class Objectives extends Actor {
 				batch.end();
 				shaperenderer.begin(ShapeType.Filled);
 				shaperenderer.setColor(AssetLoader.Typecolors[type]);
-				shaperenderer.rect(this.getX() + element * 40, this.getY(), 40,
+				shaperenderer.rect(this.getX() + element * 48, this.getY(), 48,
 						68);
 				shaperenderer.end();
 				shaperenderer.begin(ShapeType.Line);
 				shaperenderer.setColor(1, 1, 1, 1);
-				shaperenderer.rect(this.getX() + element * 40, this.getY(), 40,
+				shaperenderer.rect(this.getX() + element * 48, this.getY(), 48,
 						68);
 				shaperenderer.end();
 				batch.begin();
 				font.draw(batch, AssetLoader.Typenames[type], this.getX()
-						+ element * 40 + 2, this.getY() + 69);
+						+ element * 48 + 2, this.getY() + 69);
 				font2.draw(batch, String.valueOf(vict), this.getX() + element
-						* 40 + 11, this.getY() + 35);
+						* 48 + 11, this.getY() + 35);
 				element += 1;
 			}
 			type += 1;
diff --git a/core/src/fr/evolving/UI/VertiBarre.java b/core/src/fr/evolving/UI/VertiBarre.java
index 68d930d..93676be 100644
--- a/core/src/fr/evolving/UI/VertiBarre.java
+++ b/core/src/fr/evolving/UI/VertiBarre.java
@@ -35,7 +35,7 @@ public class VertiBarre extends Actor {
 		Gdx.app.debug(getClass().getSimpleName(), "Menu:" + Barre.length+ " elements");
 		for (int i = 0; i < Barre.length; i++)
 		{
-			if (Transmuter.Class.values()[i]!=Transmuter.Class.Scenario || worlds.isDebug())
+			if ((Transmuter.Class.values()[i]!=Transmuter.Class.Scenario && (worlds.getInformations().Tech>=0 || Transmuter.Class.values()[i]==Transmuter.Class.Structure)) || worlds.isDebug())
 			{
 				Barre[i] = new ImageTextButton(Transmuter.Class.values()[i].toString(), AssetLoader.Skin_level);
 				table.addActor(Barre[i]);
@@ -61,7 +61,7 @@ public class VertiBarre extends Actor {
 			}
 		}
 		buttonGroup.setMaxCheckCount(1);
-		buttonGroup.setMinCheckCount(0);
+		buttonGroup.setMinCheckCount(1);
 		buttonGroup.setUncheckLast(true);
 		this.setBounds(table.getX(),table.getY(),table.getWidth(),table.getHeight());
 	}
diff --git a/core/src/fr/evolving/assets/InitWorlds.java b/core/src/fr/evolving/assets/InitWorlds.java
index 650b5fc..873b8f1 100644
--- a/core/src/fr/evolving/assets/InitWorlds.java
+++ b/core/src/fr/evolving/assets/InitWorlds.java
@@ -7,7 +7,7 @@ import fr.evolving.automata.Level;
 
 public class InitWorlds {
 	public static Array<Level> go() {
-		Level[] thelevels = new Level[35];
+		Level[] thelevels = new Level[45];
 
 		thelevels[0] = new Level(
 				0,
@@ -138,7 +138,7 @@ public class InitWorlds {
 				"",
 				"He", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
 				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 2 }, 30f, 350f,
-				4, 1200, new Grid(20, 20), 0, 0, 0, 0, 800, 99999, 99999,
+				4, 1200, new Grid(20, 20), 0, 0, 0, 0, 700, 99999, 99999,
 				99999, "", false, new int[][] { { 1, 3 }, { 1, 5 } });
 
 		thelevels[12] = new Level(
@@ -149,7 +149,7 @@ public class InitWorlds {
 				"",
 				"He", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
 				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2 }, 180f,
-				230f, 4, 1300, new Grid(20, 20), 0, 0, 0, 0, 700, 99999, 99999,
+				230f, 4, 1300, new Grid(20, 20), 0, 0, 0, 0, 800, 99999, 99999,
 				99999, "", false, new int[][] { { 1, 4 } });
 
 		thelevels[13] = new Level(
@@ -170,7 +170,7 @@ public class InitWorlds {
 				"",
 				"",
 				"Li", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-				new int[] { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1 }, 300f,
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 3, 3 }, 300f,
 				490f, 4, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
 				99999, 99999, "", false, new int[][] { { 1, 6 } });
 
@@ -180,9 +180,9 @@ public class InitWorlds {
 				(int) (Math.random() * Integer.MAX_VALUE),
 				"",
 				"",
-				"C", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-				new int[] { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1 }, 550f,
-				490f, 4, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				"Be", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 5, 4 }, 550f,
+				490f, 5, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
 				99999, 99999, "", false, new int[][] { { 1, 7 } });
 
 		thelevels[16] = new Level(
@@ -191,9 +191,9 @@ public class InitWorlds {
 				(int) (Math.random() * Integer.MAX_VALUE),
 				"",
 				"",
-				"O", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-				new int[] { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1 }, 800f,
-				570f, 4, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				"B", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 0, 6, 5 }, 800f,
+				570f, 5, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
 				99999, 99999, "", false, new int[][] { { 1, 8 } });
 
 		thelevels[17] = new Level(
@@ -202,60 +202,298 @@ public class InitWorlds {
 				(int) (Math.random() * Integer.MAX_VALUE),
 				"",
 				"",
-				"Ne", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-				new int[] { 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1 }, 1000f,
+				"C", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 4, 0, 0, 6, 6 }, 1000f,
 				750f, 6, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", true, new int[][] { {2,8} });
+		
+		
+		
+		thelevels[18] = new Level(
+				2,
+				0,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"N", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 5, 0, 0, 7, 7 }, 550f,
+				750f, 6, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,1} });
+		
+		thelevels[19] = new Level(
+				2,
+				1,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"N", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 5, 0, 0, 8, 7 }, 800f,
+				620f, 6, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,2} });
+		
+		thelevels[20] = new Level(
+				2,
+				2,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"O", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 8, 8 }, 1050f,
+				470f, 6, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,3} });
+		
+		thelevels[21] = new Level(
+				2,
+				3,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"O", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 9, 8 }, 800f,
+				350f, 7, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,4} });
+		
+		thelevels[22] = new Level(
+				2,
+				4,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"F", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 7, 1, 0, 10, 9 }, 550f,
+				200f, 7, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,5} });
+		
+		thelevels[23] = new Level(
+				2,
+				5,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Ne", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 0, 0, 10, 10 }, 300f,
+				350f, 7, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,6},{2,8} });
+		
+		thelevels[24] = new Level(
+				2,
+				6,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Ne", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 0, 0, 11, 10 }, 70f,
+				470f, 7, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,7} });
+		
+		thelevels[25] = new Level(
+				2,
+				7,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Ne", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 0, 0, 12, 10 }, 300f,
+				620f, 8, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {2,8} });
+				
+		thelevels[26] = new Level(
+				2,
+				8,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Na", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 1, 0, 12, 11 }, 550f,
+				480f, 8, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
 				99999, 99999, "", true, new int[][] { {} });
+		
+		
+		
+		thelevels[27] = new Level(
+				3,
+				0,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Mg", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 2, 0, 12, 12 }, 280f,
+				330f, 8, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,1},{3,8} });
+		thelevels[28] = new Level(
+				3,
+				1,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Mg", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 2, 0, 13, 12 }, 580f,
+				330f, 8, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,2} });
+		thelevels[29] = new Level(
+				3,
+				2,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Mg", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 2, 0, 14, 12 }, 880f,
+				330f, 8, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,3} });
+		thelevels[30] = new Level(
+				3,
+				3,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Al", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 3, 0, 14, 13 }, 1050f,
+				550f, 9, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,4} });
+		thelevels[31] = new Level(
+				3,
+				4,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Si", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 4, 0, 14, 14 }, 880f,
+				750f, 9, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,5} });
+		thelevels[32] = new Level(
+				3,
+				5,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Si", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 4, 0, 15, 14 }, 580f,
+				750f, 9, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,6} });
+		thelevels[33] = new Level(
+				3,
+				6,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Si", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 4, 0, 16, 14 }, 280f,
+				750f, 9	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,7} });	
+		thelevels[34] = new Level(
+				3,
+				7,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Si", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 4, 0, 18, 14 }, 80f,
+				550f, 10	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", true, new int[][] { {} });
+		thelevels[35] = new Level(
+				3,
+				8,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"O", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 10, 8 }, 580f,
+				550f, 8	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {3,3} });
 
-		thelevels[18] = new Level(2, 1,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 38f, 740f, -1, 0, new Grid(20, 20), 0, 0, 0,
-				0, 99999, 99999, 99999, 99999, "", false,
-				new int[][] { { 2, 2 } });
-
-		thelevels[19] = new Level(2, 2,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 238f, 340f, -1, 0, new Grid(20, 20), 0, 0,
-				0, 0, 99999, 99999, 99999, 99999, "", false, new int[][] {});
-
-		thelevels[20] = new Level(3, 1,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 38f, 740f, -1, 0, new Grid(20, 20), 0, 0, 0,
-				0, 99999, 99999, 99999, 99999, "", false,
-				new int[][] { { 3, 2 } });
-
-		;
-
-		thelevels[21] = new Level(3, 2,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 438f, 540f, -1, 0, new Grid(20, 20), 0, 0,
-				0, 0, 99999, 99999, 99999, 99999, "", false, new int[][] {});
-
-		thelevels[22] = new Level(4, 1,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 38f, 740f, -1, 0, new Grid(20, 20), 0, 0, 0,
-				0, 99999, 99999, 99999, 99999, "", false,
-				new int[][] { { 4, 2 } });
-
-		;
-
-		thelevels[23] = new Level(4, 2,
-				(int) (Math.random() * Integer.MAX_VALUE), "test",
-				"C'est un test.", "e0", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0,
-						0, 0, 0, 0 }, new int[] { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-						0, 0, 0 }, 238f, 640f, -1, 0, new Grid(20, 20), 0, 0,
-				0, 0, 99999, 99999, 99999, 99999, "", false, new int[][] {});
-
+		
+		thelevels[36] = new Level(
+				4,
+				0,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"P", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 5, 0, 16, 15 }, 80f,
+				500f, 10	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,1},{4,2},{4,3} });
+		thelevels[37] = new Level(
+				4,
+				1,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"S", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 6, 0, 16, 16 }, 320f,
+				750f, 10	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,5} });
+		thelevels[38] = new Level(
+				4,
+				2,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"S", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 6, 0, 17, 16 }, 320f,
+				500f, 10	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,4} });
+		thelevels[39] = new Level(
+				4,
+				3,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"S", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 6, 0, 18, 16 }, 320f,
+				250f, 10	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,4} });
+		thelevels[40] = new Level(
+				4,
+				4,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"S", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 6, 0, 20, 16 }, 550f,
+				380f, 11	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,6} });
+		thelevels[41] = new Level(
+				4,
+				5,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Cl", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 7, 0, 18, 17 }, 550f,
+				750f, 11	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,6} });
+		thelevels[42] = new Level(
+				4,
+				6,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Cl", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 7, 0, 20, 17 }, 780f,
+				580f, 11	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", false, new int[][] { {4,7},{4,8} });
+		thelevels[43] = new Level(
+				4,
+				7,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Ar", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 8, 0, 18, 18 }, 1000f,
+				750f, 12	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", true, new int[][] { {} });
+		thelevels[44] = new Level(
+				4,
+				8,
+				(int) (Math.random() * Integer.MAX_VALUE),
+				"",
+				"",
+				"Ar", new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+				new int[] { 0, 0, 0, 0, 0, 0, 0, 2, 8, 8, 0, 20, 18 }, 1000f,
+				380f, 12	, 1200, new Grid(20, 20), 0, 0, 0, 0, 99999, 99999,
+				99999, 99999, "", true, new int[][] { {} });
+		
+		
 		return new Array<Level>(thelevels);
 	}
 
diff --git a/core/src/fr/evolving/automata/Worlds.java b/core/src/fr/evolving/automata/Worlds.java
index 544a0b9..1bf6116 100644
--- a/core/src/fr/evolving/automata/Worlds.java
+++ b/core/src/fr/evolving/automata/Worlds.java
@@ -41,7 +41,7 @@ public class Worlds extends Actor {
 			state=State.notloaded;
 		this.load(name);
 		this.ReadTransmuters();
-		if (state==State.notloaded)
+		//if (state==State.notloaded)
 			create(name);
 		onchanged();
 	}
@@ -172,6 +172,7 @@ public class Worlds extends Actor {
 	public void setWorld(int world) {
 		if (state!=State.notloaded)
 		if (world<getMaxWorlds()) {
+			delLevel();
 			usedworld=world;
 			onchanged();
 		}
@@ -180,6 +181,7 @@ public class Worlds extends Actor {
 	public void NextWorld() {
 		if (state!=State.notloaded)
 		if (usedworld<getMaxWorlds()) {
+			delLevel();
 			usedworld++;
 			onchanged();
 		}
@@ -188,6 +190,7 @@ public class Worlds extends Actor {
 	public void PreviousWorld() {
 		if (state!=State.notloaded)
 		if (usedworld>0) {
+			delLevel();
 			usedworld--;
 			onchanged();
 		}
diff --git a/core/src/fr/evolving/renderers/GameRenderer.java b/core/src/fr/evolving/renderers/GameRenderer.java
index e875474..eb83cdb 100644
--- a/core/src/fr/evolving/renderers/GameRenderer.java
+++ b/core/src/fr/evolving/renderers/GameRenderer.java
@@ -33,10 +33,10 @@ public class GameRenderer {
 		} else if (layer == 1) {
 			batcher.begin();
 			batcher.setColor(0.25f, 0.25f, 0.25f, 1f);
-			batcher.draw(AssetLoader.Atlas_level.findRegion("barrehaut"), 0.0f,
-					AssetLoader.height - 198.0f, 1920.0f, 200.0f);
-			batcher.draw(AssetLoader.Atlas_level.findRegion("barrecentre"),
-					1480f, AssetLoader.height - 785.0f, 590f, 530.0f);
+			if (GameScreen.worlds.getInformations().Cout>0 || GameScreen.worlds.getInformations().Tech>=1 ) {
+				batcher.draw(AssetLoader.Atlas_level.findRegion("barrehaut"), 0.0f,	AssetLoader.height - 198.0f, 1920.0f, 200.0f);
+				batcher.draw(AssetLoader.Atlas_level.findRegion("barrecentre"),	1480f, AssetLoader.height - 785.0f, 590f, 530.0f);
+			}
 			batcher.draw(AssetLoader.Atlas_level.findRegion("barrebas"), 0.0f,
 					0.0f, 1920.0f, 170.0f);
 			if (GameScreen.unroll)
diff --git a/core/src/fr/evolving/screens/GameScreen.java b/core/src/fr/evolving/screens/GameScreen.java
index 03bd32d..25b24db 100644
--- a/core/src/fr/evolving/screens/GameScreen.java
+++ b/core/src/fr/evolving/screens/GameScreen.java
@@ -106,7 +106,7 @@ public class GameScreen implements Screen {
 	private Label fpsLabel, info_nom;
 	private TextArea info_desc, tooltip;
 	public boolean unroll;
-	private Worlds worlds;
+	public Worlds worlds;
 
 	public enum calling {
 		mouseover, mouseclick, mousedrag, longpress, tap, taptap, zoom, fling, pan, pinch
@@ -680,11 +680,14 @@ public class GameScreen implements Screen {
 		stage_info.addActor(info_desc);
 		//stage_tooltip.addActor(tooltip);
 		stage.addActor(horizbar);
-		stage.addActor(vertibar);
+		if (worlds.getInformations().Cout>0 || worlds.getInformations().Tech>=1 ) {
+			stage.addActor(vertibar);
+			stage.addActor(buttonlevel);
+			stage.addActor(menu);
+		}
 		stage.addActor(nextpage);
 		stage.addActor(previouspage);		
 		stage.addActor(objectives);
-		stage.addActor(buttonlevel);
 		stage.addActor(rayon);
 		stage.addActor(nrj);
 		if (Preference.prefs.getBoolean("Refresh"))
@@ -694,7 +697,6 @@ public class GameScreen implements Screen {
 		stage.addActor(tech);
 		stage.addActor(cout);
 		stage.addActor(research);
-		stage.addActor(menu);
 		gesturedetector=new GestureDetector(map);
 		//processors.add(stage_tooltip);
 		processors.add(stage_info);
diff --git a/core/src/fr/evolving/screens/LevelScreen.java b/core/src/fr/evolving/screens/LevelScreen.java
index 5e6a692..4aaac86 100644
--- a/core/src/fr/evolving/screens/LevelScreen.java
+++ b/core/src/fr/evolving/screens/LevelScreen.java
@@ -249,9 +249,9 @@ public class LevelScreen implements Screen {
 				stage.addActor(buttonLevels[j]);
 			}
 		}
-		Gdx.app.debug(getClass().getSimpleName(), "Mise en place du level 0.");
+		/*Gdx.app.debug(getClass().getSimpleName(), "Mise en place du level 0.");
 		buttonLevels[0].setChecked(true); 
-		showlevel(buttonLevels[0]);
+		showlevel(buttonLevels[0]);*/
 	}
 
 	public LevelScreen(Worlds aworlds) {
@@ -269,11 +269,14 @@ public class LevelScreen implements Screen {
 								buttonLevels[j].setChecked(false);
 								if (worlds.getInformations()!=null && buttonLevels[j].level.id == worlds.getInformations().id) {
 									selected=buttonLevels[j];
-									selected.setChecked(true);
 									break;
 								}
 							}
 						}
+					if (worlds.getInformations()==null)
+						selected=buttonLevels[0];
+					selected.setChecked(true);
+					showlevel(selected);
 					Previous.setVisible(true);
 					Next.setVisible(true);
 					buttonPlay.setVisible(true);