Really, like others have already pointed out, the game would be ridiculously easy if there was a random dungeon for you to level up in. I personally find the story for YU enthralling, and only would seem to get old after a few gamesplays through, which is basically all you need to get everything.
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- Linear gameplay, you are playing the same maps consecutively,
The greatest lie I've ever seen on the website, which goes to show you obviously don't pay attention to the map details.
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I mean a couple secret characters
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Yeah, but you have to remember that Russell is pretty freaking awesome anyways, so he's worth just having only two secret characters.