extrastoryline
nounUK /ˈɛkstrəˌstɔːrilaɪn/
US /ˈɛkstrəˌstɔːrilaɪn/
An extrastoryline is an extra story that goes along with the main one.
The game has an extrastoryline about a lost puppy.
OTHER MEANINGS
2. A secondary plot added to a book or show to give more detail.
The author added an extrastoryline about the hero's childhood.
3. An additional story in a game that you can play after the main one.
Fans loved the extrastoryline that unlocked after the final level.
4. An extra part of a story that focuses on a side character.
The extrastoryline follows the funny robot who helps the team.