diff --git a/index.html b/index.html
index 6e1ef9b..119700b 100644
--- a/index.html
+++ b/index.html
@@ -158,6 +158,8 @@ <h3>Stage</h3>
 						title="Large map with the Blue Marble: Next Generation (July 2005) map.">Large
 						(Next Gen)</option>
 					<option value="large" title="A larger version of the Blue Marble (2002) map.">Large</option>
+					<option value="blkmar" title="A night light map, Black Marble (2016).">Larger (Black
+						Marble)</option>
 					<option value="xlarge"
 						title="A very large version of the Blue Marble (2002) map. Not recommended unless you're only a really fast connection + have lots of free time.">
 						Extra large (slow)</option>
diff --git a/static/js/generate.js b/static/js/generate.js
index 8c1524a..9a68fe1 100644
--- a/static/js/generate.js
+++ b/static/js/generate.js
@@ -53,6 +53,7 @@ async function getMapBlob() {
         "xlarge": "https://cdn.trackgen.codingcactus.codes/map.jpg",
         "large-nxtgen": "static/media/bg21600-nxtgen.jpg",
         "large": "static/media/bg12000.jpg",
+        "blkmar": "static/media/bg13500-blkmar.png",
         "normal": "static/media/bg8192.png",
     };
 
diff --git a/static/media/bg13500-blkmar.jpg b/static/media/bg13500-blkmar.jpg
new file mode 100644
index 0000000..428c5f1
Binary files /dev/null and b/static/media/bg13500-blkmar.jpg differ