Distinguishing one metroidvania from another is a dicey challenge, and not just because there's a 37.8% chance that saying the word "metroidvania" will cause RPS regular Sin Vega to materialise in the mirror and assassinate you with cheesewire. Metroidvanias stand apart for me only in hindsight - it's all about the precise ratio of abilities to ability gates, of jump-doublers to overhangs, all things that take time to assess properly. Echo Weaver sets itself apart early, however, by declaring that "time is your currency" and that "when faced with eternity, knowledge is the only gear you need", a phrase that, admittedly, I would probably have extended to "...oh, and a spacetime-folding glaive that works like a throwable fast travel point".

Read more