Sonic X Shadow Generations review: one of Sonic's modern classics well-refined, with a strong (but short) new campaign

Sonic X Shadow Generations requires a bit of explaining. Sure, if you’re a series fan that’s been following the marketing beats, you may already know - but something I’ve realized over the last few weeks is that a lot of people are blissfully unaware as to what this actual package is. Is it a new game? A remaster? Well, the answer is something in between.