Steam Heroes [Xbox 360]
* Credits option
Successfully complete the game after defeating Baron Von Smog.
* Steam Hero mode
Successfully complete the game after defeating Baron Von Smog. This mode allows you to play against the Bosses that were defeated in Story mode.
* Steam Villains
The twelfth Boss encounter is against the Steam Villains. Defeat the first ten Bosses in Story mode without losing a match. After the tenth match, the Steam Villains will appear before you reach Baron Von Smog. Defeat them to unlock them in the Steam Hero mode.
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