PlayStation Plus members can snag Galaga Legions DX free on PS3, normally priced $10, with this and all following discounts going live for one week starting tomorrow, September 10. On PS3 and Vita, Dragon Fantasy Book 2 is discounted to $12 for Plus members, regularly priced $15.
PS3 games in the Call of Duty franchise are on sale this week for Plus members, including Black Ops 2 and the Season Pass reduced from $94 to $85, a bundle of Black Ops and Black Ops 2 reduced from $82 to $70, and Modern Warfare 3 with DLC Collection 1 reduced from $35 to $30. Doodle God on Vita is down from $6 to $4.50.
There's also a sale on Aliens: Colonial Marines content, with the game just $9 for Plus members, but ... you know.