Simple past tense and past participle of remaster.(verb)
That has been produced by remastering(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "remastered" in a sentence
"This edition is "remastered" -- whatever that means in book publishing, particularly applied to a book from 1996 that likely was digitally produced to begin with -- and has a new cover."
"The first two God of War titles remastered in 720p."
"If not as a new series, then maybe in a "remastered" collection to celebrate the rebirth of the Atari brand?"