see deal Metal Gear Solid V: The Phantom Pain (PC) $19.99 on Humble Bundle

An Italian PlayStation Store pre-order page for Metal Gear Solid V: The Phantom Pain

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The line "Acquisti in-game opzionali," which roughly translates to "optional in-game purchases," confirms suspicions first raised by a few recent previews of The Phantom Pain.You can see the full Italian page listing on the PlayStation Store IGN's own Jose Otero also noticed room for what could be microtransactions when he previewed The Phantom Pain last month.At one point in The Phantom Pain demo, according to Otero, attempting to speed up development on Mother Base resulted in the following prompt: "Reduced time features cannot be used in offline mode."Word of the same in other previews has some Metal Gear Solid fans worried, especially in light of Konami's focus on mobile games , an announcement that was heavily publicized last month.The Phantom Pain uses the same in-game currency system as Metal Gear Solid: Peace Walker, called Gross Military Product, or GMP. Similar to Peace Walker, GMP is used in The Phantom Pain to build up your base.Speculation says that the PSN requirement, combined with the reveal of "optional in-game purchases" on the game's store page, could indicate the use of real money for certain features relating to Mother Base, like buying GMP, but nothing has officially been confirmed by Konami.For now, we've reached out to Konami for clarification and will report back as soon as we have more information.

Chloi Rad is a Staff Writer for IGN. You can follow her on Twitter at @_chloi