How do you get mythics in Pewdiepie's Pixelings?

Question

When you win a main story level, you can get a chest that is a Giant Chest, which is the only free and guaranteed way to get Mythic Pixelings.

Hagrid P Hazard · Accepted Answer

When you win a main story level, you can get a chest that is a Giant Chest, which is the only free and guaranteed way to get Mythic Pixelings.