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HamSumo

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About HamSumo

HamSumo is a physics-based multiplayer game where up to four players battle as hamsters in an arena. Choose from eight playable fighters, each with a distinct look and personality, and use their moves and physics-based movement to outplay opponents.

Versus matches

You can face friends or CPU opponents in Versus mode, either in 1v1 duels or a four-player Free For All. Each hamster has three unique Star Moves, which you can learn to use to turn the tables. Movement is easy to learn but takes practice to master.

Adventure mode

In Adventure mode, you follow Captain Ham's perilous journey to Planet Sumo. A new chapter is available every week.

Hamster fighters

Unlock accessories to customize your hamsters.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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