diff --git a/core/src/fr/evolving/UI/IconValue.java b/core/src/fr/evolving/UI/IconValue.java
index e8fb53e..ed74944 100644
--- a/core/src/fr/evolving/UI/IconValue.java
+++ b/core/src/fr/evolving/UI/IconValue.java
@@ -32,8 +32,15 @@ public class IconValue extends ImageTextButton{
 			this.setVisible(worlds.getInformations().Tech>=1);
 			break;
 		case cout:
+			worlds.getInformations().Cout=worlds.getInformations().Cout_orig-worlds.getInformations().Cout_copperfiber-worlds.getInformations().Cout_transmuter;
 			this.setText(String.valueOf(worlds.getInformations().Cout));
-			this.setVisible(worlds.getInformations().Cout>0);
+			if (worlds.getInformations().Cout>0.25*worlds.getInformations().Cout_orig)
+				this.setColor(1f, 1f, 1f, 1f);
+			else if  (worlds.getInformations().Cout>0) 
+				this.setColor(1f, 0.5f, 0.5f, 1f);
+			else 
+				this.setColor(1f, 0, 0, 1f);
+			this.setVisible(worlds.getInformations().Cout_orig>0);
 			break;
 		case research:
 			this.setText(String.valueOf(worlds.ReadResearch()));
diff --git a/core/src/fr/evolving/automata/Grid.java b/core/src/fr/evolving/automata/Grid.java
index b9aa84f..6d19483 100644
--- a/core/src/fr/evolving/automata/Grid.java
+++ b/core/src/fr/evolving/automata/Grid.java
@@ -22,10 +22,15 @@ public class Grid implements Serializable {
 		}
 	}
 
-	public void tiling_transmuter() {
+	public int tiling_transmuter() {
+		int result=0;
 		for (int x = 0; x < this.sizeX; x++)
 			for (int y = 0; y < this.sizeY; y++)
+			{
 				GetXY(x, y).Transmuter_calc = 0;
+				if (GetXY(x, y).Transmuter!=null)
+					result+=GetXY(x, y).Transmuter.getPrice();
+			}
 		for (int x = 0; x < this.sizeX; x++)
 			for (int y = 0; y < this.sizeY; y++) {
 				Transmuter transmuter = getTransmuter(x, y);
@@ -48,12 +53,19 @@ public class Grid implements Serializable {
 					Gdx.app.debug("info", x + "," + y + ">"
 							+ GetXY(x, y).Transmuter_calc);
 			}
+		return result;
 	}
 
-	public void tiling_copper() {
+	public int tiling_copper() {
+		int result=0;
 		for (int x = 0; x < this.sizeX; x++)
-			for (int y = 0; y < this.sizeY; y++)
+			for (int y = 0; y < this.sizeY; y++) {
+				if (getFiber(x,y))
+					result+=5;
 				if (getCopper(x, y)) {
+					result++;
+					if (getFiber(x,y))
+					result+=45;
 					int value = 0;
 					if (getCopper(x, y + 1))
 						value++;
@@ -66,6 +78,7 @@ public class Grid implements Serializable {
 					GetXY(x, y).Copper_calc = value;
 				} else
 					GetXY(x, y).Copper_calc = -1;
+			}
 		for (int x = 0; x < this.sizeX; x++)
 			for (int y = 0; y < this.sizeY; y++) {
 				int value = 0;
@@ -199,7 +212,7 @@ public class Grid implements Serializable {
 					GetXY(x, y).Copper_calc = value;
 
 			}
-		return;
+		return result;
 	}
 
 	public Cell GetXY(float X, float Y) {
diff --git a/core/src/fr/evolving/automata/Level.java b/core/src/fr/evolving/automata/Level.java
index 4fecdb4..14a69ea 100644
--- a/core/src/fr/evolving/automata/Level.java
+++ b/core/src/fr/evolving/automata/Level.java
@@ -30,7 +30,9 @@ public class Level implements Serializable {
 	public int Nrj_orig;
 	
 	public transient int[] Victory;
-	public transient int Cout;
+	public transient int Cout_transmuter;
+	public transient int Cout_copperfiber;
+	public transient int Cout;	
 	public transient Grid Grid;
 	public transient int Cycle;
 	public transient int Temp;
diff --git a/core/src/fr/evolving/automata/Worlds.java b/core/src/fr/evolving/automata/Worlds.java
index 07d370e..030ac6f 100644
--- a/core/src/fr/evolving/automata/Worlds.java
+++ b/core/src/fr/evolving/automata/Worlds.java
@@ -309,6 +309,7 @@ public class Worlds extends Actor {
 	
 	public int getMaxUnlockWorlds() {
 		int maxworld=0;
+		if (levels!=null)
 		for (Level level : levels)
 			if (!level.Locked && level.aWorld>maxworld)
 				maxworld=level.aWorld;
@@ -319,6 +320,7 @@ public class Worlds extends Actor {
 		Array<Level> tempworld=getLevels();
 		int maxlevel=0;
 		Level themaxlevel=null;
+		if (tempworld!=null)
 		for (Level level : tempworld)
 			if (!level.Locked && level.aLevel>maxlevel) {
 				maxlevel=level.aLevel;
diff --git a/core/src/fr/evolving/screens/GameScreen.java b/core/src/fr/evolving/screens/GameScreen.java
index 86ab07d..699763e 100644
--- a/core/src/fr/evolving/screens/GameScreen.java
+++ b/core/src/fr/evolving/screens/GameScreen.java
@@ -447,7 +447,7 @@ public class GameScreen implements Screen {
 			level.Grid.GetXY(x, y).Transmuter = (Transmuter)  menu.getTransmuter()
 					.clone();
 			if (alone)
-				level.Grid.tiling_transmuter();
+				level.Cout_transmuter=level.Grid.tiling_transmuter();
 			map.redraw();
 			Gdx.input.vibrate(new long[] { 0, 200, 200, 200 }, -1);
 		}
@@ -516,13 +516,13 @@ public class GameScreen implements Screen {
 		for (x = 0; x < level.Grid.sizeX; x++)
 			for (y = 0; y < level.Grid.sizeY; y++)
 				map_transmuter_eraser(0, 0, x, y, false, button, call);
-		level.Grid.tiling_transmuter();
+		level.Cout_transmuter=level.Grid.tiling_transmuter();
 		for (x = 0; x < level.Grid.sizeX; x++)
 			for (y = 0; y < level.Grid.sizeY; y++) {
 				map_fiber_eraser(0, 0, x, y, false, button, call);
 				map_copper_eraser(0, 0, x, y, false, button, call);
 			}
-		level.Grid.tiling_copper();
+		level.Cout_copperfiber=level.Grid.tiling_copper();
 		map.redraw();
 	}
 
@@ -545,7 +545,7 @@ public class GameScreen implements Screen {
 					+ (y + level.Grid.GetXY(x, y).Transmuter_movey));
 		}
 		if (alone) {
-			level.Grid.tiling_transmuter();
+			level.Cout_transmuter=level.Grid.tiling_transmuter();
 			map.redraw();
 		}
 	}
@@ -555,7 +555,7 @@ public class GameScreen implements Screen {
 		if (level.Grid.GetXY(x, y).Transmuter_calc == 0) {
 			level.Grid.GetXY(x, y).Fiber = 0;
 			if (alone) {
-				level.Grid.tiling_copper();
+				level.Cout_copperfiber=level.Grid.tiling_copper();
 				map.redraw();
 			}
 		}
@@ -567,7 +567,7 @@ public class GameScreen implements Screen {
 			level.Grid.GetXY(x, y).Fiber = -1 * level.Grid.GetXY(x, y).Fiber
 					+ 1;
 		if (alone) {
-			level.Grid.tiling_copper();
+			level.Cout_copperfiber=level.Grid.tiling_copper();
 			map.redraw();
 		}
 	}
@@ -577,7 +577,7 @@ public class GameScreen implements Screen {
 		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
 			level.Grid.GetXY(x, y).Fiber = 1;
 		if (alone) {
-			level.Grid.tiling_copper();
+			level.Cout_copperfiber=level.Grid.tiling_copper();
 			map.redraw();
 		}
 	}
@@ -587,7 +587,7 @@ public class GameScreen implements Screen {
 		if (level.Grid.GetXY(x, y).Transmuter_calc == 0) {
 			level.Grid.GetXY(x, y).Copper = false;
 			if (alone) {
-				level.Grid.tiling_copper();
+				level.Cout_copperfiber=level.Grid.tiling_copper();
 				map.redraw();
 			}
 		}
@@ -598,7 +598,7 @@ public class GameScreen implements Screen {
 		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
 			level.Grid.GetXY(x, y).Copper = !level.Grid.GetXY(x, y).Copper;
 		if (alone) {
-			level.Grid.tiling_copper();
+			level.Cout_copperfiber=level.Grid.tiling_copper();
 			map.redraw();
 		}
 	}
@@ -608,7 +608,7 @@ public class GameScreen implements Screen {
 		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
 			level.Grid.GetXY(x, y).Copper = true;
 		if (alone) {
-			level.Grid.tiling_copper();
+			level.Cout_copperfiber=level.Grid.tiling_copper();
 			map.redraw();
 		}
 	}
@@ -699,7 +699,6 @@ public class GameScreen implements Screen {
 		menu.EraseSurtile();
 		hideInfo();
 		if (caller == "run") {
-			worlds.getInformations().Cout-=15;
 		} else if (caller == "stop") {
 		} else if (caller == "speed") {
 		} else if (caller == "move") {
@@ -877,8 +876,8 @@ public class GameScreen implements Screen {
 			public void clicked(InputEvent event, float x, float y) {
 				if (this.getTapCount() > 1)
 					worlds.ReadGrid(selSaved.getSelectedIndex());
-				level.Grid.tiling_copper();
-				level.Grid.tiling_transmuter();
+				level.Cout_copperfiber=level.Grid.tiling_copper();
+				level.Cout_transmuter=level.Grid.tiling_transmuter();
 				map.redraw();
 				map.tempclear();
 				hideInfo();