Chapter two, go straight and the reception is at the end of the hallway. Ring the reception bell 10 times.
A fast and full guide is below:
Timestamps:
00:00 Intro
01:09 Prologue
01:45 Chapter 1: All Aboard! & The Borders of Hermes Achievements + Tube 1/8
05:40 Chapter 2: Lousy Service, Demanding Customer, Carnival! & The Fire of Prometheus Achievements
07:58 Chapter 3: Happy Birthday, Fancy Calculations, Loved Ones & The Home of Hestia Achievements + Tube 2/8
18:57 Chapter 4: Blueprint Collector & The Works of Daedalus Achievements + Tube 3/8
26:27 Chapter 5: Ada’s department memo’s & The Darkness of Hades Achievements
29:23 Chapter 6: Hidden in Plain Sight, Famous Autographs & The Drama of Dionysus + Tube 4/8
35:08 Chapter 7: Aubrey likes to Rant… & The Strife of Eris Achievements + Tube 5/8
43:23 Chapter 8: Questionable Ideas & The Flowers of Persephone Achievements + Tube 6/8
47:08 Chapter 9: Ambitious Plans & The Path of Ares Achievements + Tube 7/8
50:57 Chapter 10: Letters from the Future(Tube 8/8), Tesla’s own Notes, Faster than Electricity, The Fall of Icarus, Flawless Survivor & Keeper of Promises Achievements