diff --git a/src/main/java/fr/eni/demo/bll/GameTypeService.java b/src/main/java/fr/eni/demo/bll/GameTypeService.java
new file mode 100644
index 0000000..551ad50
--- /dev/null
+++ b/src/main/java/fr/eni/demo/bll/GameTypeService.java
@@ -0,0 +1,17 @@
+package fr.eni.demo.bll;
+
+import fr.eni.demo.bo.GameType;
+import fr.eni.demo.dal.GameTypeRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class GameTypeService {
+
+  @Autowired
+  private GameTypeRepository gameTypeRepository;
+
+  public void add(GameType gameType) {
+    gameTypeRepository.save(gameType);
+  }
+}
diff --git a/src/main/java/fr/eni/demo/bo/GameType.java b/src/main/java/fr/eni/demo/bo/GameType.java
new file mode 100644
index 0000000..2a348c8
--- /dev/null
+++ b/src/main/java/fr/eni/demo/bo/GameType.java
@@ -0,0 +1,24 @@
+package fr.eni.demo.bo;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+@ToString
+@Builder
+
+@Entity
+@Table(name="GAME_TYPE")
+public class GameType {
+
+  @Id
+  @GeneratedValue(strategy = GenerationType.IDENTITY)
+  @Column(name = "GAME_TYPE_ID")
+  private Integer id;
+
+  @Column(name="GAME_TYPE_NAME", nullable = false)
+  private String name;
+}
diff --git a/src/main/java/fr/eni/demo/bo/Stock.java b/src/main/java/fr/eni/demo/bo/Stock.java
index a6c33d0..75ebce7 100644
--- a/src/main/java/fr/eni/demo/bo/Stock.java
+++ b/src/main/java/fr/eni/demo/bo/Stock.java
@@ -4,6 +4,8 @@ package fr.eni.demo.bo;
 import jakarta.persistence.*;
 import lombok.*;
 
+import java.util.List;
+
 @AllArgsConstructor
 @NoArgsConstructor
 @Getter
@@ -31,4 +33,8 @@ public class Stock {
 
   @Column(name="GAME_DAILY_PRICE", nullable = false)
   private Long dailyPrice;
+
+  @OneToMany(cascade = CascadeType.ALL, fetch=FetchType.EAGER, orphanRemoval = true)
+  @JoinColumn(name="GAME_ID")
+  private List<GameType> gameType;
 }
diff --git a/src/main/java/fr/eni/demo/dal/GameTypeRepository.java b/src/main/java/fr/eni/demo/dal/GameTypeRepository.java
new file mode 100644
index 0000000..40aba14
--- /dev/null
+++ b/src/main/java/fr/eni/demo/dal/GameTypeRepository.java
@@ -0,0 +1,9 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.GameType;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface GameTypeRepository extends JpaRepository<GameType, Long> {
+}
diff --git a/src/test/java/fr/eni/demo/DemoApplicationTests.java b/src/test/java/fr/eni/demo/DemoApplicationTests.java
index 8956d23..512ccd3 100644
--- a/src/test/java/fr/eni/demo/DemoApplicationTests.java
+++ b/src/test/java/fr/eni/demo/DemoApplicationTests.java
@@ -1,8 +1,10 @@
 package fr.eni.demo;
 
 import fr.eni.demo.bll.ClientService;
+import fr.eni.demo.bll.GameTypeService;
 import fr.eni.demo.bll.LocationService;
 import fr.eni.demo.bo.Client;
+import fr.eni.demo.bo.GameType;
 import fr.eni.demo.bo.Location;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -14,9 +16,10 @@ class DemoApplicationTests {
 
   @Autowired
   private ClientService clientService;
-
   @Autowired
   private LocationService locationService;
+  @Autowired
+  private GameTypeService gameTypeService;
 
   @Test
   @DisplayName("-- Test add Client --")
@@ -67,4 +70,13 @@ class DemoApplicationTests {
     System.out.println(location);
   }
 
+  @Test
+  @DisplayName("-- Test add Game Type --")
+  void testAddGameType() {
+    GameType gameType = new GameType();
+    gameType.setName("RPG");
+    gameTypeService.add(gameType);
+    System.out.println(gameType);
+  }
+
 }