Major things they stole:

Their villain, Silas, is Matthias. Literally, that's it. He's Matthias.

Silas is an immortal man who looks just like Matthias who's been alive for almost 200 years and was a member of the Westchester cult, where he knew Cora. He wants to sacrifice redfield Noah due to his connection to the Power (Rowan anyone) as part of a complicated ritual he's put together in order to... I'm not quite sure what, exactly, as the story was a bit hard to follow. He thinks he’s all manipulative and the main crew states that "He’s getting us to do his work for him!”

And then there's his appearance. That's the same hairstyle. He's the same age. Same race. Literally, just like Connor in their story is as recognizable AI-version of his in-game sprite, that's what this guy looks like. All he's missing is the beard.

The gang's base of operations is Cora’s cabin

This one is interesting. It's such a tiny detail, and I'd grown so used to the cabin being their safe place that when Connor was like "We need to get back to the cabin" it literally took me a moment to realize - wait. They had nothing to do with that cabin in the original series. Using that as a home base was literally our idea, an It Lives Within original.

The main enemies are mind controlled townspeople working for Silas

Instead of following the precedent of the previous games and having the enemies be Power-twisted animal monsters, they decided to make their enemies humans that are mind-controlled into zombie-like beings that attack the gang in hordes. There's even a scene where the gang is driving through them in their car. This is a rip-off of It Lives Within's horrors. And on top of that, they copied the carnival scene where Harper driving through the horde of horrors.

Noah and Devon's relationship

Their relationship in this '"TV show" has suspicious similarities to their friendship/romance routes in ILW. They made Devon be redfield Noah's anchor to reality, and even had Devon use memories to help ground Noah, which we showed in the cabin scene where Devon and Noah play baseball together. And I know there were Noah x Devon shippers outside of me before ILW released, but it was never PB's plan to canonize them. So the fact that they are seemingly changing course to canonize them after they grew so popular in the fan version feels a bit too coincidental.

Scraping fan art for their AI animation frames

But what's even more egregious is that they have even stooped to scraping from fan artists, who have nowhere near the same following or exposure as our project does. Seriously, what are the odds that the MC they choose to use matches this artist's MC's race, gender, and outfit exactly, that they used Noah's old outfit, that they are literally positioned on the same sides of the image? It's blatant plagiarism, and it's despicable. @errajay I'm so sorry they did this.

These are the biggest similarities, but considering that it was only like 15 minutes of content, that means that a high percentage of the story was stolen. Sure, the exact details of "Silas's" plan are different (he's like a horcrux for the "entity" aka power and he was split into 43 parts and Noah's one of his parts and he needs to kill him to get it back and be free or something) it's the same concept: immortal man who's trapped making a complicated ritual requiring sacrifice while manipulating people to get everything into place.