Ultra Fighting Bros is a free fighting game, where the player controls one of the four Ultra Fighting Bros, and the goal is to defeat all of the other players, by using different moves and power-ups. Each game is won by the player who has the highest score at the end of the round.

The game contains many different challenges and combats. There are different modes to play in, such as multiplayer, career, and free mode.

There are many different power-ups and fighters to unlock in the game.