Overview James Armstrong November 10, 2016 23:17 Updated Follow Each MindSnacks app is filled with lessons that can be mastered by playing games to gain experience points (XP) to level up. As you level up, more lessons, games and side quests become unlocked, rewarding any and all time spent playing MindSnacks. Related articles How do levels and XP work? How do I master a word or phrase? Comments 0 comments Article is closed for comments.