GameStop Declares Wii U Retro, Launches 10% Trade-In Bonus

TL;DR
GameStop announced that the Wii U, PS3, and Xbox 360 are officially retro consoles and is running a retro trade-in bonus that adds 10% to trade credits through March 31; defective retro hardware is now accepted, with a full retro list available on GameStop's site.
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