Sony has confirmed that Galaga Legions DX will be the latest game added to the US PlayStation Plus Instant Game Collection.
The game will be downloadable to subscribers at no additional cost from tomorrow, September 10.
This week's PS Plus update will also bring discounts on games and DLC packs in the Call of Duty series, including all three Modern Warfare games, Black Ops and Black Ops 2. Here's the full list of prices:
Aliens: Colonial Marines is also being discounted to $8.99, along with slashed prices on its DLC content.
Metal Slug XX and Pinball Arcade will be removed from the Instant Game Collection on September 17. Check out the PS Blog for the full list of outgoing content.

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