: A redeemable code for exclusive in-game armor and weaponry that provides unique gameplay benefits.
: A CD featuring an hour of music from the game's score and a "Scoring of Dead Space 2" featurette. Dead Space 2 Limited Edition
If you are looking for the version with physical collectibles, you likely mean the , which includes: : A redeemable code for exclusive in-game armor
The was a special retail version primarily released for the PlayStation 3, though it is often confused with the more comprehensive Collector's Edition available across multiple platforms. PlayStation 3 Limited Edition Contents PlayStation 3 Limited Edition Contents The PS3 version
The PS3 version was highly sought after because it included a full additional game on the same disc:
: A small-scale model of Isaac’s iconic weapon with trigger-activated LED lights (exclusive to Xbox 360 and PC versions in some regions).