looks like the deal in the OP is part of a bigger sale according to this email I got from Gamestop:
6 weeks of deals from Gamestop.
$10 OFF
Call of Duty: Black Ops, Call of Duty: Modern Warfare 3, and Call of Duty Modern Warfare 3 with DLC
Available 06/27/12-08/07/12
$10 OFF
Select Warner Brothers Games Including: Batman Arkham City GOTY and Mortal Kombat Komplete Collection
Available 06/27/12-07/10/12
$69+ in Savings
Sony Playstation 3 Summer Bundle
Available 06/25/12-08/05/12
$5 OFF
Select Warner Brothers Games Including: Batman Arkham Asylum GOTY, LEGO Battles: NinjaGo, LEGO Batman, LEGO Harry Potter: Years 1-4, and LEGO Harry Potter: Years 5-7
Available 06/27/12-07/10/12
$10 OFF
Deus Ex: Human Revolution for Xbox 360 and PS3
Available 06/27/12-07/10/12
$10 OFF
Zumba Fitness: Join The Party, Zumba Fitness 2, and Zumba Fitness: Rush
Available 06/27/12-07/17/12
$15 OFF
PS3 Move Navigation Controller
Available only on 06/28/12
$20 OFF
Battleship and Men in Black: Alien Crisis
Available 06/27/12-08/07/12
$20 OFF
Resident Evil: Operation Raccoon City
Available 06/27/12-07/17/12
$30 OFF
Twisted Metal
Available only on 06/25/12
$10 OFF
Army Corps of Hell
Available 06/25/12-07/17/12
ONLY $199
Sony Playstation 3D Display
Available 06/27/12-07/31/12
$10 OFF
Asura's Wrath
Available 06/27/12-07/17/12
$10 OFF
Two Worlds II and Minute to Win it
Available 06/27/12-07/17/12
$5 OFF
Noah's Ark and Big Foot: King of Crush
Available 06/27/12-07/17/12
$10 OFF
Select Strategy Guides Including: Mass Effect 3 CE and Witcher 2: The Assassins of Kings
Available 06/25/12-07/15/12
$10 OFF
Touch My Katamari and Shinobido 2 The Revenge of Zen
Available 06/25/12-07/15/12
$10 OFF
Starhawk
Available only on 06/26/12
$10 OFF
Sorcery
Available only on 06/27/12
20% OFF
Select Take Two Games Including: Grand Theft Auto IV Complete Edition, Red Dead Redemption GOTY, L.A. Noire, MLB 2K12 and Borderlands GOTY
Available 06/25/12-07/15/12
20% OFF
Max Payne 3 and NBA 2K12
Available 06/25/12-08/05/12
50% OFF
Duke Nukem Forever and The Darkness 2
Available 06/25/12-08/05/12
sounds like they'll be adding in new deals, and the length of deals varies.
