While the content remains largely the same, the shift from 3D immersion to a 2D screen changes the mechanics of survival:
Reviewers from Reddit and Steam generally agree that while VR is the most immersive way to play, the Flat Mode holds its own as a tense, high-quality horror experience. Some players actually prefer it for being slightly less overwhelming, though the jumpscares remain just as loud and sudden. How to Launch Non-VR (Steam)
If you're having trouble getting the game to start without a headset, Steam users can follow these steps: