The Final Destination's army has made its attack on the fifteen realms of Nintendo's mascots. Separated from each other and attacked by a threat that completely overwhelms them divided, the fifteen Realm Representatives must be brought together to unite in the one safe haven left: Rebellion.

Forty characters from the fighting series Super Smash Brothers compete in a Survivor-style game. There is only one winner, and it will be a long journey to determine that winner.