UPDATE: Nintendo selling them for £250 each.
But Nintendo stops short of confirming full withdrawal.
Most traded in are "annualised" and "undifferentiated" games.
"Any time you have a big jump in the hardware technology it certainly takes the teams time."
Report suggests US chain giving up on 8GB Wii U.
Plus a new White 32GB Wii U, Nintendo Land bundles and Wii Remote charge kit.
UPDATE: Amazon UK, Base.com follow suit.
Currency exchange gains push results into the black.
UPDATE: Now Amazon.co.uk does too.
Xbox 360 sold five times that.
Implements five-minute posting limit for all.
"I would like to make this absolutely clear."
Nintendo cuts Wii U sales forecast by 1.5 million, says console having "a negative impact on profits"
Wii U software forecast reduced by 8 million.
FIFA 13 back on top, snore.
And why Star Fox's star turn was cut.
How Mario Chase reveals the magic behind Nintendo's new console.
Retailer apologises to customers after bundle gaffe.
Far Cry 3 enters second with 9th biggest launch of the year.
Proof or concept?
You won't be able to download 3.2GB Nintendo Land.
Asymmetry and a focus on local multiplayer suggest great promise for Nintendo's new box of tricks.
The Wii U's done a brilliant job of pleasing the hardcore, but it's going to have do more if it wants to succeed.
Mario and Luigi set to make an appearance.
Nintendo targets 60Hz for its spiritual successor to WiiSports - how close does the E3 build get?
Why Nintendo's 'new' idea might be a lot of fun.
Wii U's marquee mini-game collection is good fun, but falls flat at E3.
12 Nintendo-themed mini-games.