Compete for something more than a streak.

Join challenges and earn shareable reward cards when you win.

An individual reward earned after completing a challengeA challenge, with its automatic progress trackingA range of challenge types to join

Compete against a real goal, not just your own streak - progress is tracked automatically, and winning gets you something worth sharing.

A range of challenge types to joinA challenge, with its automatic progress trackingAn individual reward earned after completing a challenge
How it fits with the rest of Castra

Every win is ready to post straight to the feed.

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Castra in use

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