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PixelJunk Monsters: Ultimate HD will become the latest PlayStation Vita game to join the PlayStation Plus Instant Game Collection tomorrow, April 22, Sony announced today.
Ultimate HD is Double Eleven's upgraded PS Vita port of Q-Games' PixelJunk Monsters; it was released last July. As one PS Vita title enters the Instant Game Collection, another is set to leave: Monster Hunter Freedom Unite, which arrived in late March on PS Plus, will be available free only until April 29.
Mercenary Kings, Batman: Arkham City, Stealth Inc.: A Clone in the Dark and Castle of Illusion Starring Mickey Mouse have already become free on PS Plus this month. The only game left from Sony's list of free games for April is the PS Vita title Velocity Ultra.
