How do you revive a series like Hellraiser? When your source material spans four decades and multiple mediums, all with wildly differing tones (and fans), what stays, what goes? Where would you even begin? It’s a question developer Saber Interactive seems to struggle with throughout Hellraiser: Revival and the result is a messy, uneven, but earnest, and often fascinating sort of tribute that, boldly, goes back to the start.