diff --git a/README.md b/README.md
index 6c23f26..372a72a 100644
--- a/README.md
+++ b/README.md
@@ -130,12 +130,12 @@ Original Game Boy | Game Boy Color
 ### Original Game Boy
 Normal Mode | Big Mode
 :-: | :-:
-<video src="https://villadelfia.org/dmgtris/demo-dmg-normal.mp4" width=160 height=144></video> | <video src="https://villadelfia.org/dmgtris/demo-dmg-big.mp4" width=160 height=144></video>
+<video src="assets/demo-dmg-normal.mp4" width=160 height=144></video> | <video src="assets/demo-dmg-big.mp4" width=160 height=144></video>
 
 ### Game Boy Color
 Normal Mode | Big Mode
 :-: | :-:
-<video src="https://villadelfia.org/dmgtris/demo-gbc-normal.mp4" width=160 height=144></video> | <video src="https://villadelfia.org/dmgtris/demo-gbc-big.mp4" width=160 height=144></video>
+<video src="assets/demo-gbc-normal.mp4" width=160 height=144></video> | <video src="assets/demo-gbc-big.mp4" width=160 height=144></video>
 
 
 ## Building and Development
diff --git a/assets/demo-dmg-big.mp4 b/assets/demo-dmg-big.mp4
new file mode 100644
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diff --git a/assets/demo-dmg-normal.mp4 b/assets/demo-dmg-normal.mp4
new file mode 100644
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Binary files /dev/null and b/assets/demo-dmg-normal.mp4 differ
diff --git a/assets/demo-gbc-big.mp4 b/assets/demo-gbc-big.mp4
new file mode 100644
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diff --git a/assets/demo-gbc-normal.mp4 b/assets/demo-gbc-normal.mp4
new file mode 100644
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