Overwatch features characters.
Overwatch (video game) . Overwatch assigns players into two teams of six , with each player selecting one of 24 pre-defined characters , called heroes , each with unique movement , attributes , and abilities , whose roles are divided into four categories : Offense , Defense , Tank , and Support . Players gain cosmetic rewards that do not affect gameplay , such as character skins and victory poses , as they play the game . The release of the game was promoted with short animated videos to introduce the game 's narrative and each of the characters .