Widescreen Special Edition DVD & Blu-ray Disc Special Features include:

Deleted Scenes
Sneak Peek at Resident Evil: Degeneration, the first Resident Evil CGI feature film
Filmmakers’ Commentary
Making-Of Featurettes:
Alice Vision: Preproduction
The Big Bang: Shooting Resident Evil: Extinction
Bigger, Faster, Stronger: The Undead Evolve
Vegas Visual Effects: Miniatures
 
Only on Blu-ray High-Def:

Under The Umbrella: Picture-in-Picture Experience – Sony Pictures Home Entertainment’s first immersive Picture in Picture (PIP) experience, which features interviews with the filmmakers and cast; storyboards; production photos and behind the scenes footage that runs concurrently with the movie.  The Picture-in-Picture feature is only supported by Profile 1.1 players.
Blu-wizard 2.0 – Customize the way you watch Special Features–Watch what you want, when you want and how you want!
Create your own playlist from the Special Features on the disc
Let the Blu-wizard do the driving–Watch the movie in real-time and the Wizard will intelligently insert in your selections, always returning you to the film right where you left off.
A brand new feature, the Blu-wizard will not only remember what you watched, but also what you liked even after you’ve taken the disc out of your player.