A Challenge is a set of daily activities that help you achieve a particular epic win. It includes Quests to complete and Bad Guys to battle. As you play a Challenge, we’ll also give you Power-ups to activate and an Ally Check-in topic each day. Squad Play Challenges always have 5-days of activities. Solo Play Challenges can be any length. Hosts have access to a library Squad Play Challenges. Hero accounts have access to a library of Solo Play Challenges.