Kindle Challenge 2025 Achievements. Amazon has rolled out another new year kindle challenge for 2025 that runs from january 1st through march 31st where readers can earn achievements for completing certain. This is continuing the new personalized mystery badges that aren’t the same for everyone.

I’ve copied the mystery achievements i have listed below. There are usually about 15 achievements, with some being consistent across all challenges (number of days read, number of books read, etc) and each with it’s own.