Square Enix has released a new trailer for Kingdom Hearts HD 2.5 Remix that has a side by side comparison of the original game and its high definition update.

Featured above, you can press play to see a pretty thorough (and lengthy) comparison between the two versions. The video itself is interactive, prompting you to click between HD and SD to see the difference in real time.

Kingdom Hearts HD 2.5 Remix is a compilation that includes Kingdom Hearts II Final Mix, Kingdom Hearts: Birth by Sleep Final Mix, and some extra scenes from Kingdom Hearts Re:coded, all of which are fully remastered in high definition. The game is coming on December 2nd for $39.99 dollars.