How to get mobster street of rogue?

Excuse me, could you please elaborate on how one might acquire the game "Mobster: Street of Rogue"? I'm interested in purchasing or downloading this game but am unsure of the exact process. Is it available on a particular platform, such as Steam or GOG? Are there any pre-requisites or system requirements I should be aware of before attempting to download or play? Additionally, are there any promotions or discounts currently available for this game? I'd appreciate any guidance or information you can provide.