US PlayStation Plus subscribers are in for a treat this week in the form of BioShock 2, which will be added to the Instant Game Collection. Developer Irrational Game's stunning FPS sequel will be available at now additional cost to PS Plus subs as this week's US PS Store update, Tuesday, November 4.Subscribers will also get a 10 per cent discount on the new Rockstar Games Collection Edition 1 (Regular price: $59.99, PS Plus Price: $53.99), which includes Red Dead Redemption, Grand Theft Auto: Episodes from Liberty City, L.A. Noire, and Midnight Club: Los Angeles Complete Edition.