Pets/badges/gold or any other asset based new aps won't last long as many top players have already prepared for them anticipating new pets/badges aps and it's just a matter of gold one can dispose.
How about these aps to distinct the best of the best on the overall leaderboard?
- getting on top 5/10/25/50 event leaderboard X times
- getting on X different leaderboards at a time at the season end
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