Sumo Slammers (Reboot)

Sumo Slammers is a large franchise spawning up to video games, trading card games, slushifier machines, etc., which appears often in the series, of which Ben and Billy Billions are a huge fan. Gwen too is interested in it, as seen in The Ring Leader where she plays a video game match with Ben, but is not as crazy about it as him.

Video Game
There is a Sumo Slammers video game that Ben and Gwen played in The Ring Leader.

Card Game
There is a Sumo Slammers card game which has different kinds of collecting cards. Sumo Slammers Platinum is the rarest card. According to Ben there was only one Platinum card in the world. However, it was torn into two by Grandpa Max at the end of Rustbucket RIP.

Ben 10

 * The Ring Leader (first appearance)
 * Freaky Gwen Ben
 * Rustbucket RIP
 * Ben 24hrs