diff --git a/index.html b/index.html
index 48b1c9d..a7b197f 100644
--- a/index.html
+++ b/index.html
@@ -310,8 +310,8 @@ <h2>File-List</h2>
 		<script src="libs/lz-string.min.js"></script>
 		<script src="scripts/RPGFile.js?ver=1.1"></script>
 		<script src="scripts/ErrorException.js?ver=1.0"></script>
-		<script src="scripts/Decrypter.js?ver=1.2.1"></script>
+		<script src="scripts/Decrypter.js?ver=1.3.0"></script>
 		<script src="scripts/ZIP.js?ver=0.3"></script>
-		<script src="scripts/functions.js?ver=1.2.1"></script>
+		<script src="scripts/functions.js?ver=1.2.2"></script>
 	</body>
 </html>
diff --git a/scripts/Decrypter.js b/scripts/Decrypter.js
index 441ecda..3a1f032 100644
--- a/scripts/Decrypter.js
+++ b/scripts/Decrypter.js
@@ -277,6 +277,7 @@ Decrypter.detectEncryptionCode = function(rpgFile, callback) {
 	(window.addEventListener ? 'load' : 'onload', function() {
 		var key;
 		var fileContent;
+		var message = null;
 
 		try {
 			fileContent = JSON.parse('[' + this.result + ']');
@@ -294,12 +295,65 @@ Decrypter.detectEncryptionCode = function(rpgFile, callback) {
 			}
 		}
 
+		// Try a search
+		if(key === null)
+			key = Decrypter.searchEncryptionCode(this.result, 'rpg_core', false);
+
 		callback(key);
 	}, false);
 
 	reader.readAsText(rpgFile.file);
 };
 
+/**
+ * Searches for the encryption-key in other places
+ *
+ * @param {string} fileContent - Content of the File, where to search
+ * @param {string} searchParam - What method should be used to search
+ * @param {boolean} lzString - Decompress LZ-String
+ * @returns {null|string} - null if the key was not found else the key
+ */
+Decrypter.searchEncryptionCode = function(fileContent, searchParam, lzString) {
+	var result = null;
+	fileContent = (lzString) ? LZString.decompressFromBase64(fileContent) : fileContent;
+
+	// Exit on empty File-Content (Usually caused if LZ-String-Decompress was not an LZ-String)
+	if(fileContent === null)
+		return null;
+
+	switch(searchParam) {
+		case 'rpg_core':
+			var innerFunctionCodeMatches = null;
+			var lines = fileContent.split('\n');
+			for(var line = 0; line < lines.length; line++) {
+				var l = lines[line];
+				// Clean the line
+				l = l.trim();
+				l = l.replace(/[\r\n\t]/g, '');
+
+				innerFunctionCodeMatches = l.match(/^(.*)this\._encryptionKey ?= ?"(.*)"(.*);(.*)?$/);
+
+				if(innerFunctionCodeMatches !== null)
+					break;
+			}
+
+			if(innerFunctionCodeMatches && innerFunctionCodeMatches.length > 2)
+				result = innerFunctionCodeMatches[2];
+
+			// Verify result
+			if(! result || typeof result === 'undefined')
+				result = null;
+
+			// Also try a LZ-String search
+			if(result === null && ! lzString)
+				result = Decrypter.searchEncryptionCode(fileContent, searchParam, true);
+
+			return result;
+		default:
+			return null;
+	}
+};
+
 /**
  * Check if the string only has HEX-Chars (0-9 & A-F)
  *
diff --git a/scripts/functions.js b/scripts/functions.js
index 56e93b9..9662244 100644
--- a/scripts/functions.js
+++ b/scripts/functions.js
@@ -35,7 +35,11 @@ function getCode(systemFileElId, codeTextElId) {
 			codeTextEl.className = addCssClass(codeTextEl.className, 'valid');
 			alert('Key found^^! (' + key + ')');
 		} else
-			alert('Error: Encryption-Key not found - Make sure that you select the correct file!');
+			alert(
+				'Error: Encryption-Key not found - Make sure that you select the correct file!\n\n' +
+				'In rare cases the Key is hidden in this File: ./www/js/rpg_core(.js)\n\n' +
+				'Please try to select the rpg_core(.js) file and try again (if not already done)!'
+			);
 	});
 }