Best Buy is celebrating Columbus Day with a massive sale. A ton of games are down to $20, including Borderlands 2, Dead Island Riptide: SE, Remember Me , Paper Mario: Sticker Star, Nintendo Land, and Ninja Gaiden 3: Razor's Edge for the Wii U. Other deals include the Wii U version of AC III being $25, Metal Gear Rising: Revengeance for $30, Just Dance 3 for the Wii at $8, Madden 13 on the Wii U for $25, and Dance Central 3 for $30. The Wind Waker HD bundle has been upgraded to include Scribblenauts Unmasked for only $340, so if you're in the market for that system, buy that ASAP. This 4-day sale runs through October 14.