Highway Trouble (or HWYT) is a violent Mario fan-game was been released on December 25, 2009. This game is rated T, because it's bloody and hard. This game if inspired by a Xbox 360 game called Alien Hominid. Since Alien Hominid is fun and violent, this game is made after its second level.
An army of Clones that created by Bowser invading all the highway system of Mushroom World to take over the world. Now Mario is the only one who can stop them. You play as Mario and shoot all the enemies using your plasma gun to destroy Bowser's plan.