diff --git a/app/bin/main/Entity/Character.class b/app/bin/main/Entity/Character.class
index c6c0f76..02b1e72 100644
Binary files a/app/bin/main/Entity/Character.class and b/app/bin/main/Entity/Character.class differ
diff --git a/app/bin/main/Entity/Enemy.class b/app/bin/main/Entity/Enemy.class
index edec65c..68f86ae 100644
Binary files a/app/bin/main/Entity/Enemy.class and b/app/bin/main/Entity/Enemy.class differ
diff --git a/app/bin/main/Entity/Entity.class b/app/bin/main/Entity/Entity.class
index 1726933..b7a8f9e 100644
Binary files a/app/bin/main/Entity/Entity.class and b/app/bin/main/Entity/Entity.class differ
diff --git a/app/bin/main/Entity/Player.class b/app/bin/main/Entity/Player.class
index 07212de..0408b7a 100644
Binary files a/app/bin/main/Entity/Player.class and b/app/bin/main/Entity/Player.class differ
diff --git a/app/bin/main/Entity/Stuff.class b/app/bin/main/Entity/Stuff.class
index 1624a0e..5b389fe 100644
Binary files a/app/bin/main/Entity/Stuff.class and b/app/bin/main/Entity/Stuff.class differ
diff --git a/app/bin/main/PokeMudry.class b/app/bin/main/PokeMudry.class
index bbf51b8..a53aaff 100644
Binary files a/app/bin/main/PokeMudry.class and b/app/bin/main/PokeMudry.class differ
diff --git a/app/bin/main/Screen/ScreenBattle.class b/app/bin/main/Screen/ScreenBattle.class
new file mode 100644
index 0000000..04a2c2c
Binary files /dev/null and b/app/bin/main/Screen/ScreenBattle.class differ
diff --git a/app/bin/main/Screen/ScreenMap.class b/app/bin/main/Screen/ScreenMap.class
new file mode 100644
index 0000000..e4d88c6
Binary files /dev/null and b/app/bin/main/Screen/ScreenMap.class differ
diff --git a/app/bin/main/Screen/ScreenPlayer.class b/app/bin/main/Screen/ScreenPlayer.class
new file mode 100644
index 0000000..6b981b7
Binary files /dev/null and b/app/bin/main/Screen/ScreenPlayer.class differ
diff --git a/app/bin/test/AppTest.class b/app/bin/test/AppTest.class
index 1078e64..4119c85 100644
Binary files a/app/bin/test/AppTest.class and b/app/bin/test/AppTest.class differ
diff --git a/app/src/main/java/Entity/Character.java b/app/src/main/java/Entity/Character.java
index a712521..2b96daf 100644
--- a/app/src/main/java/Entity/Character.java
+++ b/app/src/main/java/Entity/Character.java
@@ -1,5 +1,16 @@
 package Entity;
 
 public abstract class Character extends Entity{
-    
+    public Character(String name) {
+        super(name);
+        //TODO Auto-generated constructor stub
+    }
+
+    private int pv;
+
+    public int getPv() {
+        return pv;
+    }
+
+    abstract protected void removedPv(int pv);
 }
diff --git a/app/src/main/java/Entity/Enemy.java b/app/src/main/java/Entity/Enemy.java
index c95a43c..a285417 100644
--- a/app/src/main/java/Entity/Enemy.java
+++ b/app/src/main/java/Entity/Enemy.java
@@ -1,5 +1,25 @@
 package Entity;
 
+import com.badlogic.gdx.math.Vector2;
+
 public class Enemy extends Character{
     
+    public Enemy(String name) {
+        super(name);
+    }
+
+    public void setPosition(int x, int y){
+
+    }
+
+    public void setPosition(Vector2 vPosition){
+        setPosition((int)vPosition.x, (int)vPosition.y);
+    }
+
+    @Override
+    protected void removedPv(int pv) {
+        // TODO Auto-generated method stub
+        
+    }
+    
 }
diff --git a/app/src/main/java/Entity/Entity.java b/app/src/main/java/Entity/Entity.java
index e5eb30b..15354fb 100644
--- a/app/src/main/java/Entity/Entity.java
+++ b/app/src/main/java/Entity/Entity.java
@@ -1,5 +1,20 @@
 package Entity;
 
+import com.badlogic.gdx.math.Vector2;
+
 public abstract class Entity {
-    
+    private Vector2 position;
+    private String name;
+
+    public Entity(String name){
+        this.name = name;
+    }
+
+    public Vector2 getPosition() {
+        return position;
+    }
+
+    public String getName() {
+        return name;
+    }
 }
diff --git a/app/src/main/java/Entity/Player.java b/app/src/main/java/Entity/Player.java
index 7a36bd9..74d1148 100644
--- a/app/src/main/java/Entity/Player.java
+++ b/app/src/main/java/Entity/Player.java
@@ -1,5 +1,31 @@
 package Entity;
 
+import com.badlogic.gdx.math.Vector2;
+
 public class Player extends Character{
-    
+
+    private int xp;
+
+    public Player(String name) {
+        super(name);
+        //TODO Auto-generated constructor stub
+    }
+
+    public void addXp(int xp){
+
+    }
+
+    public void move(int x, int y){
+
+    }
+
+    public void move(Vector2 vMove){
+        move((int)vMove.x, (int)vMove.y);
+    }
+
+    @Override
+    protected void removedPv(int pv) {
+        // TODO Auto-generated method stub
+        
+    }
 }
diff --git a/app/src/main/java/Entity/Stuff.java b/app/src/main/java/Entity/Stuff.java
index 601c5ea..8b2b878 100644
--- a/app/src/main/java/Entity/Stuff.java
+++ b/app/src/main/java/Entity/Stuff.java
@@ -1,5 +1,10 @@
 package Entity;
 
 public class Stuff extends Entity{
+
+    public Stuff(String name) {
+        super(name);
+        //TODO Auto-generated constructor stub
+    }
     
 }
diff --git a/app/src/main/java/PokeMudry.java b/app/src/main/java/PokeMudry.java
index be70f77..76fd223 100644
--- a/app/src/main/java/PokeMudry.java
+++ b/app/src/main/java/PokeMudry.java
@@ -1,13 +1,24 @@
-/*
- * This Java source file was generated by the Gradle 'init' task.
- */
+import ch.hevs.gdx2d.desktop.PortableApplication;
+import ch.hevs.gdx2d.lib.GdxGraphics;
 
-public class PokeMudry {
-    public String getGreeting() {
-        return "Hello World!";
-    }
+public class PokeMudry extends PortableApplication{
+    public final boolean ANDROID = false;
+    public final int PLAYERS = 1;
+    public static final int TIME = 10; // number of minutes for kill all enemy
 
     public static void main(String[] args) {
-        System.out.println(new PokeMudry().getGreeting());
+        
+    }
+
+    @Override
+    public void onInit() {
+        // TODO Auto-generated method stub
+        
+    }
+
+    @Override
+    public void onGraphicRender(GdxGraphics g) {
+        // TODO Auto-generated method stub
+        
     }
 }
diff --git a/app/src/main/java/Screen/ScreenBattle.java b/app/src/main/java/Screen/ScreenBattle.java
new file mode 100644
index 0000000..a4ac024
--- /dev/null
+++ b/app/src/main/java/Screen/ScreenBattle.java
@@ -0,0 +1,5 @@
+package Screen;
+
+public class ScreenBattle {
+
+}
diff --git a/app/src/main/java/Screen/ScreenMap.java b/app/src/main/java/Screen/ScreenMap.java
new file mode 100644
index 0000000..367e361
--- /dev/null
+++ b/app/src/main/java/Screen/ScreenMap.java
@@ -0,0 +1,5 @@
+package Screen;
+
+public class ScreenMap {
+    
+}
diff --git a/app/src/main/java/Screen/ScreenPlayer.java b/app/src/main/java/Screen/ScreenPlayer.java
new file mode 100644
index 0000000..16d0af0
--- /dev/null
+++ b/app/src/main/java/Screen/ScreenPlayer.java
@@ -0,0 +1,17 @@
+package Screen;
+
+import ch.hevs.gdx2d.lib.ScreenManager;
+
+public class ScreenPlayer {
+    private ScreenManager screenManager;
+    private ScreenMap screenMap;
+    private ScreenBattle screenBattle;
+
+    public void init(){
+
+    }
+
+    public void render(){
+        
+    }
+}
diff --git a/app/src/test/java/AppTest.java b/app/src/test/java/AppTest.java
index 299548b..86becf2 100644
--- a/app/src/test/java/AppTest.java
+++ b/app/src/test/java/AppTest.java
@@ -7,8 +7,5 @@ import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
 
 class AppTest {
-    @Test void appHasAGreeting() {
-        PokeMudry classUnderTest = new PokeMudry();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
+    
 }