How many levels are there in Switchback VR?

In total 10 tracks can be played in The Dark Pictures: Switchback VR: 

1. Tutorial
2. Maiden Voyage
3. Into the Ships Heart
4. Abandon All Hope 
5. Burning Trials 
6. Ancient Temple 
7. Into the Abyss
8. Enjoy Your Stay
9. Panopticon 
10. Frozen Hell 

Each track has different branching routes which show you different nightmares, at the end of each level you will see which route you took and the alternative routes you could have taken. Enemies you chose to see or avoid throughout the game will result in a nightmare consequence in Frozen Hell. Choose wisely.