The changes and tweaks don't touch the very core of the game, and so those who don't enjoy the system won't find anything to change their mind here. (wolfsgamingblog.com)
The basic core of the game, the characters and the story, were developed by me and then we gave that to the two teams. (gonintendo.com)
We really want to define what makes those unique and use them as core of our game mechanics. (oniroforge.ch)