Achievement: Ruby

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Ruby

Has a chance to trigger once a day on a difficult dan problem.

Recently completed by

Just.Karnbaan 1d, Алёна Киреева 10k, Xenzenshu 6k, Daler K 12k, MrQuerder [Никита] 2k, Beggarlyrot 1d, Joey Edmonston 2k, ÐŸÐ Ðž Ð ÐžÐœÐ 2k, Pierre-Marie GORI 2k, nikitka228 1k

and 406 others.