Xbox just announced something called Mythic Achievements , which is its answer to Sony long standing platinum trophy program for PlayStation. These are earned when folks complete all original achievements for a game. Basically, theyre a badge of honor proving you put in the time to 100 percent a title. Achievements added later via DLC or updates dont impact Mythic status, with the company saying it yours to keep. Theyre also retroactive, meaning that youll get a Mythic Achievement for games...

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