At the moment we have Trial Mode, which gives some backstory on each of the heroes. We're planning a more robust, in-depth campaign that provides a bunch more backstory on the game world in the future.

Please Help !
Thanks !

I didn't find the right solution from the internet.

References:
-https://steamcommunity.com/app/368980/discussions/0/451848854997823312/
-Flat Animation Video