A bit of Game theory to ya': So, as we all know, a shop-girl from the Hailey's is the same person as a girl from a TV-show from SurVive. Also we know, that in caves in Hailey's we have a strange pathogen that turns dead into zombies, and we have a zombie-outbreak in SurVive. Theory, that Hailey's is a prequel to SurVive. Hailey and Annie take infected artifacts from below and so infected the world. Also, to include a Brawl game here, we can say that this is just a spinoff, because both in Hailey's and Brawl we have magic (level in cemetery in Brawl and just everything else in Hailey's). We have a LAGS'o'verse here, guys (also I know, that those coincidences are just an optimal usage of already drawn sprites, but it's a bit more interesting to believe in forethought ;) )
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Nice to see these game have someone to speculate theories. I would like to clarify that these zombies are not source of outbreak that happened in Survive game. There will be a game which will let everyone know the origin of that virus.
But this game and CB is related. Hailey will be grand mother of one of the boss in CB-Remastered.