Duels
Duels was a feature on the iOS app that allowed users to compete against each other (or a computer) while also learning a new language. This feature was discontinued because staff "tested it and it hurt engagement, unfortunately"[1].
Description[]
Duels was a feature that allows users with connected GameCenter accounts (or a user against Duobot) to go head-to-head, translating sentences from written text, pick-and-choose, and listening exercises. One point is earned for a correct answer, and an additional point if one is the first to submit an answer. The feature is currently unavailable, since version 4.0.5.
Purpose[]
Duels was intended to help users practice their skills [2] while also creating a social and competitive environment.
Use[]
Users must first complete some lessons within the tree before being able to Duel. Once they have the relevant skills done, they can choose between two modes (Duel a human, or Duel a robot). Each duel has about 10 questions, and users must answer these questions correctly in order to get the most points (which is later converted to XP).
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