That's a part of the game I don't like. It creates so many paradoxes: Why does nobody see her teleporting? What happens with the air etc.? Couldn't she just run against the door again and again, ignoring injuries, break through, then rewind and be on the other side? What if she rewinds into a solid object? How does the inventory work, are there just two copies of the object or can she also instantly retrieve stuff from anywhere ("accio")?It would be much better if she just had "mind time travel", meaning: Go back in time, keep memories of the future, nothing else. And replace the old timeline completely with the new one. That's the only time travel concept I know that doesn't cause any paradoxes, complications or edge cases. And the longer you think about it, the cooler unrestricted mind time travel becomes: You could do everything perfect, you could be invincible or invisible if you want to, you could convince anyone to do anything, you could abuse astronomically tiny chances, … You can become president and start world war 3 or you could repeatedly become 80 years old, memorise scientific advances, go back to your childhood, publish them, wait another 80 years, do the same, until humanity evolves a million years in a few decades. You could live an infinite amount of different lives, in some it's public that you can time travel, in some not, … There are just infinite possibilities. That's a game/movie/series I want to see. And I also kind of want to have this ability.