diff --git a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
index 6c4f430..6ccee27 100644
--- a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
+++ b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
@@ -971,4 +971,34 @@ public class Games {
 
 		return result.substring(0, result.length() - 2);
 	}
+	
+	public String checkReleaseDateUnknown() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Release_AU FROM Games";
+
+		try {
+			Connection connection = DriverManager.getConnection(databaseURL);
+
+			Statement statement = connection.createStatement();
+			ResultSet resultSet = statement.executeQuery(query);
+
+			while (resultSet.next()) {
+				String gameName = resultSet.getString("Game_Name");
+				String gameReleaseAu = resultSet.getString("Game_Release_AU");
+
+				if (gameReleaseAu == null) {
+					
+						result += gameName + ", ";
+				}
+
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+
+		return result.substring(0, result.length() - 2);
+	}
 }
diff --git a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java
index 667b734..09c7e46 100644
--- a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java
+++ b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java
@@ -163,4 +163,11 @@ public class GamesTest extends TestCase {
 		String actual = testObject.checkPublishersNa();
 		assertEquals(expected, actual);
 	}
+	
+	public void test_checkReleaseDateUnknown() {
+		Games testObject = new Games();
+		String expected = "Breakdown, Atelier Totori Plus";
+		String actual = testObject.checkReleaseDateUnknown();
+		assertEquals(expected, actual);
+	}
 }