ANNO: Mutationem - Upgrade Pack Includes:
·Digital Artbook
·In-Game Original Soundtrack (Selection)
·Costume Pack: 2 special outfits (No special effects)
·Weapon Pack: 3 special weapons with particle effects (Unlock the weapons in-game to use)
·Item Pack: 2 Weapon Enhance Chips (Unlock the Chip system to use)

More details on the official game page of ANNO: Mutationem - Upgrade Pack ...