We've all seen the mushroom battle mode in Tekken Tag Tournament 2, but would you believe it wasn't originally inspired by Nintendo? Turns out the developers were messing around with a slider one day, which was making the characters tiny and huge. When they started working on the Wii U version of this game, the devs realized just how well that slider could be implemented with Nintendo's magic mushrooms.

Tekken Tag Tournament's mushroom battle mode, as well as all other modes, can be played with the Wii U GamePad or Wii U Pro Controller. There are still talks going on to support the game with an arcade stick peripheral as well.