Smash House Demolition is the sixth entry in the Smash House series of random fighting games. It is the most serious of all the other games, storyline wise
All of the characters that appeared in Smash House Infinite (excluding Jinpachi) return to be playable in this installment,, in additioin to six new fighters, two being original characters.
- Big Daddy (Bioshock)
- Strider Hiryu
- Lee Everett (The Walking Dead)
- Amaterasu (Okami)
- Ranther (original character)
- Petal (original character)
Boss: Onslaught (X-Men)
In the aftermath of Smash House Infinite, Gem had defeated Jinpachi Mishima. Upon Jinpachi's defeat, Gem had taken up the position as head of the Mishima Zaibatsu His first course of action is the massing of warships, tanks, and soldiers all over the world, claiming total control of every major capital of the globe. Lives were lost, many popular historic landmarks were destroyed, and the Mishima Zaibatsu started a new world war.
Meanwhile, an enraged Heihachi placed a bounty on Gem's head in order to reclaim the Zaibatsu. As if he anticipated this action, Gem took action, and the Worldwide Smash House Tornament had finally been announced.
Among the many contestants was Link, who had gathered his old comrades and forged an uneasy alliance with Heihachi in order to overthrow Gem and end his rule.
While behind the scenes, two members of the Smash House resistance are planning a counterattack against Gem's forces, and a new threat lurks in the shadows...