Sumo Ham Slam

From the publisher's website:

Step into the fierce and furry world of full-contact Sumo hamster wrestling! Using magnetic force, maneuver your Sumo hamster and try to knock your opponent out of the ring. It's a contest of bulk as much as brawn, so feed your hamster every chance you get! Win the most rounds and claim the title of Sumo Ham Slam Grand Champ!