diff --git a/darwinworld/src/main/java/agh/proj/gui/SimulationRunner.java b/darwinworld/src/main/java/agh/proj/gui/SimulationRunner.java
index 3c9d3d7..b44a66a 100644
--- a/darwinworld/src/main/java/agh/proj/gui/SimulationRunner.java
+++ b/darwinworld/src/main/java/agh/proj/gui/SimulationRunner.java
@@ -24,6 +24,7 @@
 import javafx.scene.text.TextFlow;
 import javafx.scene.transform.Rotate;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -77,7 +78,7 @@ public class SimulationRunner implements MapChangeListener {
     @FXML
     private HBox hBox;
 
-    public void initialize() {
+    public void initialize() throws IOException {
         if (parameters == null) {
             return;
         }
@@ -183,12 +184,14 @@ private void updateTracking() {
         childrenTrack.setText(String.valueOf(animal.getChildrenNo()));
         descendantsTrack.setText(String.valueOf(animal.getNumberOfDescendats()));
         if (animal.getEnergy() == 0)
-            deathTrack.setText("DIED AT DAY:"+animal.getDateOfDeath());
+
+            deathTrack.setText("DIED:"+animal.getDateOfDeath());
+
         else
             deathTrack.setText("ALIVE");
     }
 
-    public void setParameters(Parameters parameters) {
+    public void setParameters(Parameters parameters) throws IOException {
         this.parameters = parameters;
         initialize();
     }
diff --git a/darwinworld/src/main/java/agh/proj/model/Animal.java b/darwinworld/src/main/java/agh/proj/model/Animal.java
index 1e3716f..f041c80 100644
--- a/darwinworld/src/main/java/agh/proj/model/Animal.java
+++ b/darwinworld/src/main/java/agh/proj/model/Animal.java
@@ -32,10 +32,15 @@ public Animal(Vector2d position, Genotype genotype, int energy, int dateOfBirth,
         orientation = MapDirection.NORTH;
         currentOrientationIndex = -1;
     }
-    public String toSaveString(){
-        return dateOfBirth+":"+genotype.toString()
-                +":"+position.toString()+":"+orientation.toString()+":"+currentOrientationIndex+":"
-                +energy+":"+age+":"+noOfChildren+":"+numberOfDescendats+":"+numberOfEatedGrass;
+
+    public int getDateOfDeath(){
+        return dateOfBirth+age;
+    }
+    public String getSevingString(){
+        return  hisNumber+":"+dateOfBirth+":"+genotype.toString()+":"+position.toString()+":"
+                +orientation.toString()+":"+currentOrientationIndex+":"+energy+":"+age+":"+noOfChildren
+                +":"+numberOfEatedGrass+":"+numberOfDescendats;
+
     }
     public Animal(Vector2d position, int energy, int genoTypeLength, int hisNumber) {
         this(position, Genotype.randomGenotype(genoTypeLength), energy, 0, hisNumber);
diff --git a/darwinworld/src/main/java/agh/proj/model/Globe.java b/darwinworld/src/main/java/agh/proj/model/Globe.java
index e8b9fbc..e545b83 100644
--- a/darwinworld/src/main/java/agh/proj/model/Globe.java
+++ b/darwinworld/src/main/java/agh/proj/model/Globe.java
@@ -46,7 +46,7 @@ public Globe(int width, int height, Parameters parameters) {
         initialAnimalMap();
         initialAnimalsGenerator();
     }
-
+    public ArrayList<Animal> getRecords(){return (ArrayList<Animal>) records;}
     public List<Animal> getAnimalsAtPosition(Vector2d position) {
         return animals.get(position);
     }
@@ -333,6 +333,7 @@ public void move(Animal animal) {
             animal.move(this);
         animals.get(animal.getPosition()).add(animal);
     }
+
     @Override
     public void place(Animal animal, Vector2d position) {
         if (boundsValidator(position)) {
diff --git a/darwinworld/src/main/java/agh/proj/model/util/CSVSimulationSaver.java b/darwinworld/src/main/java/agh/proj/model/util/CSVSimulationSaver.java
new file mode 100644
index 0000000..c63d208
--- /dev/null
+++ b/darwinworld/src/main/java/agh/proj/model/util/CSVSimulationSaver.java
@@ -0,0 +1,31 @@
+package agh.proj.model.util;
+
+import agh.proj.model.Animal;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+
+public class CSVSimulationSaver {
+    private final File file;
+    private final String fileName;
+    public CSVSimulationSaver(String nameOfSimulation) throws IOException {
+        fileName=nameOfSimulation+".csv";
+        file=new File(nameOfSimulation+".csv");
+        FileWriter fw=new FileWriter(file);
+    }
+    public void updateCSV(int day, ArrayList<Animal> records)throws IOException  {
+        FileWriter fw=new FileWriter(fileName,true);
+        BufferedWriter bw = new BufferedWriter(fw);
+        bw.write("Day "+String.valueOf(day));
+        for(Animal animal:records){
+            bw.write(";"+animal.getSevingString());
+        }
+        bw.newLine();
+        bw.close();
+        fw.close();
+    }
+
+}
diff --git a/darwinworld/src/main/java/agh/proj/simulation/Simulation.java b/darwinworld/src/main/java/agh/proj/simulation/Simulation.java
index 7a08ac7..092fc08 100644
--- a/darwinworld/src/main/java/agh/proj/simulation/Simulation.java
+++ b/darwinworld/src/main/java/agh/proj/simulation/Simulation.java
@@ -3,7 +3,9 @@
 import agh.proj.model.Globe;
 import agh.proj.model.GlobeAssistant;
 import agh.proj.model.interfaces.MapChangeListener;
-import agh.proj.model.util.CsvSaver;
+
+import agh.proj.model.util.CSVSimulationSaver;
+
 import agh.proj.model.util.MapVisualizer;
 
 import java.io.IOException;
@@ -13,13 +15,16 @@ public class Simulation implements Runnable {
     private Globe worldMap;
     private GlobeAssistant assistant;
     private MapVisualizer mapVisualizer;
+    private CSVSimulationSaver csvSaver;
     private final ArrayList<MapChangeListener> subscribers = new ArrayList<>();
     private boolean pause = false;
 
-    public Simulation(Globe worldMap) {
+    public Simulation(Globe worldMap) throws IOException {
         this.worldMap = worldMap;
         mapVisualizer = new MapVisualizer(worldMap);
-        this.assistant=new GlobeAssistant(worldMap);
+
+        csvSaver=new CSVSimulationSaver("Simulation");
+
     }
 
     public void setPause(boolean pause) {
@@ -35,11 +40,6 @@ public void run() {
         System.out.println(mapVisualizer.draw());
         callSubscribers();
         while (worldMap.allDead() != 0) {
-            try {
-                Thread.sleep(1000);
-            } catch (InterruptedException e) {
-                throw new RuntimeException(e);
-            }
 
             while (pause) {
                 try {
@@ -64,10 +64,18 @@ public void run() {
             System.out.println(mapVisualizer.draw());
             callSubscribers();
             try {
-                CsvSaver.saveToCsv("Simulation", worldMap.getDay(), worldMap.getRecords());
+
+                csvSaver.updateCSV(worldMap.getDay(), worldMap.getRecords());
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+
+
         }
         System.out.println("Sim End");
     }
diff --git a/darwinworld/src/main/resources/simulation.fxml b/darwinworld/src/main/resources/simulation.fxml
index eb429cd..8d92793 100644
--- a/darwinworld/src/main/resources/simulation.fxml
+++ b/darwinworld/src/main/resources/simulation.fxml
@@ -100,7 +100,7 @@
                     <TextField fx:id="descendantsTrack" editable="false"/>
                 </VBox>
                 <VBox>
-                    <Label style="-fx-font-weight: bold">Life status</Label>
+                    <Label style="-fx-font-weight: bold">When it Died</Label>
                     <TextField fx:id="deathTrack" editable="false"/>
                 </VBox>
             </VBox>