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 584cc88..0b0de1f 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
@@ -171,4 +171,84 @@ public class Games {
 		// The substring removes the last New line in the String.
 		return result.substring(0, result.length() - 2);
 	}
+	
+	public String checkAllSameReleaseDates() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Release_EU, Game_Release_JP, Game_Release_NA, 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 gameReleaseEu = resultSet.getString("Game_Release_EU");
+					String gameReleaseJp = resultSet.getString("Game_Release_JP");
+					String gameReleaseNa = resultSet.getString("Game_Release_NA");
+					String gameReleaseAu = resultSet.getString("Game_Release_AU");
+				
+					
+					if (gameReleaseAu == null) {
+						if (gameReleaseEu.equals(gameReleaseJp) && gameReleaseJp.equals(gameReleaseNa) && gameReleaseEu.equals(gameReleaseNa)) {
+							result += gameName + ", ";
+						}
+					} else {
+						if (gameReleaseEu.equals(gameReleaseJp) && gameReleaseJp.equals(gameReleaseNa) && gameReleaseEu.equals(gameReleaseNa) && gameReleaseAu.equals(gameReleaseEu) && gameReleaseAu.equals(gameReleaseJp) && gameReleaseAu.equals(gameReleaseNa) ) {
+							result += gameName + ", ";
+						}
+					}
+					
+			
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		// The substring removes the last New line in the String.
+		return result.substring(0, result.length() - 2);
+	}
+	
+	public String checkAllDifferentReleaseDates() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Release_EU, Game_Release_JP, Game_Release_NA, 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 gameReleaseEu = resultSet.getString("Game_Release_EU");
+					String gameReleaseJp = resultSet.getString("Game_Release_JP");
+					String gameReleaseNa = resultSet.getString("Game_Release_NA");
+					String gameReleaseAu = resultSet.getString("Game_Release_AU");
+				
+					
+					if (gameReleaseAu == null) {
+						if (!gameReleaseEu.equals(gameReleaseJp) && !gameReleaseJp.equals(gameReleaseNa) && !gameReleaseEu.equals(gameReleaseNa)) {
+							result += gameName + ", ";
+						}
+					} else {
+						if (!gameReleaseEu.equals(gameReleaseJp) && !gameReleaseJp.equals(gameReleaseNa) && !gameReleaseEu.equals(gameReleaseNa) && !gameReleaseAu.equals(gameReleaseEu) && !gameReleaseAu.equals(gameReleaseJp) && !gameReleaseAu.equals(gameReleaseNa) ) {
+							result += gameName + ", ";
+						}
+					}
+					
+			
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		// The substring removes the last New line in the String.
+		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 8f9589c..895ef66 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
@@ -36,4 +36,18 @@ public class GamesTest extends TestCase {
 		String actual = testObject.checkAllDifferentPublishersDeveloper();
 		assertEquals(expected, actual);
 	}
+	
+	public void test_checkAllSameReleaseDates() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate";
+		String actual = testObject.checkAllSameReleaseDates();
+		assertEquals(expected, actual);
+	}
+	
+	public void test_checkAllDifferentReleaseDates() {
+		Games testObject = new Games();
+		String expected = "Rhythm Paradise, Yakuza: Dead Souls, Breakdown, Persona 3 Portable, Beautiful Katamari, Atelier Totori Plus";
+		String actual = testObject.checkAllDifferentReleaseDates();
+		assertEquals(expected, actual);
+	}
 }