Extended Edition/Mafia II: Director's Cut? - Steam Community
Because the original 2010 release famously had a significant amount of content removed during development (such as a working subway, melee weapons, and branching storylines), the community has created mods to restore these features. Mafia 2 Directors Cut [PAL][ISO]
The PAL (European/Australian) physical version for consoles like the Xbox 360 often came on two discs—one for the main game and one for the DLC content. Fan-Made "Director's Cut" Projects Extended Edition/Mafia II: Director's Cut