Timed by hand with stopwatch app, "lapping" after each level. Prologue and chapter 1 are grouped as "1)".

1. 2m44s86ms
2. 5m46s82ms
3. 10m34s96ms
4. 7m20s36ms
5. 8m01s88ms
6. 8m51s60ms
7. 6m39s95ms
8. 9m06s08ms
9. 6m37s13ms

huge time losses in chapter 7 and 8, hopefully I can get under an hour and 10