Super Meat Boy [Ultra Edition!]

This Ultra Edition is a retail release of a game that was previously only available through digital download. It contains:

Super Meat Boy
Art book with 40 pages of comics and sketches
Mini poster by Dave Rapoza
Alien Hominid as an unlockable character alongside Josef after collecting 30 bandages
Digital soundtrack by Danny Baranowsky
Warp Zone art collection of all titles screens made by other developers, including six ones that did not make it into the game
High resolution character art
16 sound effect files
6 piano arrangements by Brent Kennedy
Game trailers and video extras
Development photos
Cubecrafts
Wallpapers

Source: TheGamesDB