It is confirmed.
Okami for PS4/XB1/PC confirmed - Dec 21, supports 4K - NeoGAF
Okami for PS4/XB1/PC confirmed - Dec 21, supports 4K - NeoGAF
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http://ryokutya2089.com/archives/3505#more-3505 Confirmed via Magazine Leaks Japanese title is Okami Zekkei JP Release date is 12/21 HD/4K Support Standard Edition will cost 2990 yen and limited edition will cost 4990 yen.