The controls are so unresponsive that makes the game unplayable at some point. The "Z" button was a lazy and quick fix of the problem of turning around with the arrow keys, which would be the correct, doesn't make sense turning around with one button except arrow keys.
What also bothered me is that I felt like I was playing a classic pokemon game: I can only move from tile to tile (however even the classic pokemon games could turn around without moving).
The camera could be better too, compared to the classic Dig Dug it's too zoomed and doesn't help to find the enemies.
Even with the nice remix and beautiful and stylish artstyle, the game itself is worse than the classic Dig Dug, making it only 1 and a half stars for me (and not deserving a spot in the daily features), because when a game has no good controls, it's frustrating and there's no point to play it.