I used XPGSensi420 starter save http://www.xpgamesav...e/#.UJwkQ2_A-PQ <br />
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I used his started save and continued with the main missions to get the:<br />
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Perfectionist 100% Main Mission Sync<br />
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If the achievement does not unlock, then replay any mission you know you can get 100% on. That should pop it up then.<br />
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http://www.mediafire...p#bs29cxbx96nsd
Assassins Creed 3 100% Main mission sync 04/06/2016
Assassins Creed 3 100% Main mission sync