Step 1 : choose one route
Before the game start, you will choose one of the three routes.
Each route represents a type of debuff and you eventually challenges Dr Hungry after several battles.
Step 2 : levave behind
There are some elite battles on each route.
After beating an elite, you must leave a character in the stage who cannot participate in subsequent battles.
Paint debris can also be obtained in the elite battle.
Step 3 : Gain reward
The general battle will give you a certain number of stars according to the evaluation, and the player can get the week reward by accumulating.
The time of playing daily challenge is unlimited, but only the highest rank can be counted in the weekly evaluation.