Achievements -

Grayed-out icons with a "Hint" or progress bar (e.g., "75/100") to create a "completionist" urge.

Display the percentage of the community that owns a badge (e.g., "Only 2% of users have this" ). This adds prestige. Achievements

A user completes a specific action (e.g., "Finished 5 lessons" or "Logged in 7 days in a row"). Grayed-out icons with a "Hint" or progress bar (e

High-fidelity, colored badges with the "Date Earned." Achievements

Ensure the system can handle "retroactive" achievements if you add new ones later. g., fitness, SaaS, or e-commerce)?

A real-time celebratory pop-up (haptic feedback + visual "burst") informs the user of the unlock.