I have never questioned the nature of the game over system before, which you're right, would have been designed due to the nature of arcade machined back in the day ... Huh. I think that it really comes down to personal preference though. I have seen a few other people in this thread compare the game to Dark Souls and other difficult games. Maybe people are looking for both a challenge -and- a Sonic game. Maybe that subset is smaller than someone just wanting one or another, so from a marketing/pleasing-everyone perspective, it's not as good, but to some people it's a great game.
I think that as games have naturally evolved away from this older game over system, there just hasn't really been a discussion about it. I would argue that the game designers actively chose to keep the old system, in order to also remain faithful to the original style, that they were trying to replicate. From that perspective, I think that the developers were 10/10 on executing that vision.
This guy is just giving his opinion, based on the fact that he doesn't like the old game over system. He's not really giving an objective critique of how the developers did in putting this together as a robust package that will deliver on what it promised.
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I think that the old system works fine too, but that's just my personal preference :D each to their own.







