diff --git a/Key Sequence [12-30]/index.html b/Key Sequence [12-30]/index.html
new file mode 100644
index 0000000..eada7c5
--- /dev/null
+++ b/Key Sequence [12-30]/index.html	
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Key Detection</title>
+  <script type="text/javascript" src="https://www.cornify.com/js/cornify.js"></script>
+  <link rel="icon" href="https://fav.farm/🔥" />
+</head>
+<body>
+<script>
+  const pressed = [];
+  const secretCode = 'worlddrknss';
+
+  window.addEventListener('keyup', (e)=> {
+    pressed.push(e.key);
+    pressed.splice(-secretCode.length -1, pressed.length - secretCode.length);
+    if(pressed.join('').includes(secretCode)){
+      cornify_add();
+    }
+  });
+</script>
+</body>
+</html>
