Complex sentence: Since the game's launch, SCE Cambridge Studio has released several packs of paid-for or free downloadable content (DLC), including items such as materials, stickers and costumes, some being ports from the original PS3 Version of the game.
Split into simpler sentences: Since the game's launch, SCE Cambridge Studio has released several packs of paid-for or free downloadable content (DLC). Kits, include stuff like materials, stickers and costumes, some being ports from the original PS3 Version of the game.