diff --git a/README.md b/README.md
index 6c5adfd..248b61e 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ Currently includes:
 - Delaunay Triangulation simulator
 - Double Pendulum simulator
 
+Demo video included as demo.mp4, but the video is very choppy for some reason, even with OBS set to 1280x720, so sorry for that.
+
 I wanted to add a Triple Pendulum Simulator but it was too hard.
 
 The Water Simulator simulates 2d water splashes.
diff --git a/demo.mp4 b/demo.mp4
new file mode 100644
index 0000000..9587103
Binary files /dev/null and b/demo.mp4 differ