Making this the post that lists all features[hr[
-Better Graphics
-Larger Starting Roster
-Up to 8 players can Smash!
-Large Stages confirmed: Big Battlefield, Great Cave Offensive, Temple.
-Large stages will have insta K.O zones if over 100%
-Two Plane Stages: Battle in the background and foreground
-Metal Face as Guar Plains Stage Boss
-Miiverse Stage in post-release update
-Ridley deconfirmed as playable, stage boss.
-Coin Battles
-Stamina
-Special Smash
-Adjustable Item Frequency
-Customize music frequency for Menu and stages in My Music! More Music than 3DS version
-Expensive Composers
-Collect new music with CDs
-Challenges in Wii U version with new challenged
-Altered classic mode, challenges scale depending on how well you do, random events.
-Special movies play when you beat classic mode again
-Play All-Star mode with a friend and fight the challengers in reversed chronological order
-New Event Mode!
-Smash Run still exclusive to 3DS
-Smash Tour Board game like mode, play as your mii and collect fighters to use in battle. Collect items to assist in battle and on the board, random events occur on the board. Final stock match in the end, your stock is made up of the fighters you collected.
-Target Blast for Wii U. Some alterations like the 2nd bomb being bigger and heavier, and 3 different stages to play on.
-4 Player stadium modes, compete with friends or work together.
-Special Orders. Complete challenges for Master Hand and Crazy Hand to win prizes.
-Master Core on Wii U. New form, Master Fortress the stage-like boss.
-Up to 7 controller options
-Special Smash Bros. themed GC controllers
-Use your 3DS as a controller
-Transfer your custom fighters and Miis from 3DS to Wii U
-More trophies than 3DS version
-Win All Star with a character to collect that character's final smash trophy.
-Trophy boxes will show themed boxes for whatever franchise that trophy is from. Collect them all to fill the boxes, perfect for completionists (Like me!)
-Photo Studio confirmed
-Trophy Rush confirmed
-Master Pieces confirmed
-Level up your Amiibos and have them beat the stuff out of things, they level up faster at a friend's house
-Notifications will now appear on a scroll bar at the top of the main menu
-You and a friend can now play online together from the same system
-Online tournaments in post-release update
-Local tournaments confirmed
-Use the Wii U gamepad to draw on saved photos. Upload them to the internet in post-release update (Expect to be banned if you draw research)
-Use voice chat when playing with friends before and after battle, not during.
-Stage Builder confirmed, Use the Wii U gamepad to draw the stage using various themes
-Post your stages, Mii Fighters and photos online in post-release update.
-View trailers in game!
-Register both versions with club Nintendo to get 2 disc soundtrack.
-Play as Mewtwo in an upcoming DLC! Get the DLC for free if you own both versions. Coming Spring 2015
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