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There's only one person fast enough to defuse the bombs in the city--Speed Runner! Run, jump, and swing through the city's skyscrapers and alleys to dismantle the various bombs spread around the city. As you save scientists from the comic villains, they'll give you cool upgrades that will make you run faster and jump higher!
Use the left and right arrow keys to move left and right. Use Z to jump, X to use the grappling hook.