The PS Store update for tomorrow will mark the introduction of Sonic & All-Stars Racing Transformed into the Instant Game Collection. This freebie for subscribers is specifically the PS Vita version of the rather amazing kart racer, and Metal Sonic and the Outrun track are being thrown in, too. Make some time this week to nab this, if you've got a Vita.
As for the holiday sale, I hope you're in the mood for more indie games:
Unless my eyes deceive me or there's been some sort of mishap, it looks like both versions of Hotline Miami are free for PS Plus members right now in the US. Huh.
PS Plus: Sonic & All-Stars Racing Transformed Free for Members [PlayStation Blog]
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