Different items assist the player - characters in different ways; for example, the Super Mushroom gives players a speed boost, the shells of Koopa Troopas are thrown at opponents to stun them, and banana peels can be laid on the track as hazards. (mariowiki.com)
Bowser's Appearing Act: Bowser will take the spot of Koopa Kid on the game board and will have his own turn at the end of a normal turn. (mariopartylegacy.com)
Red Koopa Paratroopas appear in Super Mario Run, reprising their role as they had in the 2D Mario platforming games. (mariowiki.com)