Nautilus on 17 September 2015
From the games that I played, most likely Witcher 3.But as i wont play most games until next year, ill guess, by what i have seen, that mario maker is also a contender, and MGS V too.
My (locked) thread about how difficulty should be a decision for the developers, not the gamers.
https://gamrconnect.vgchartz.com/thread.php?id=241866&page=1
