Here's the video (1 hour 13mins):

Topics covered include:

• How the project got started, how it evolved over time, and how long it took to make
• In-game vs real life comparisons
• Bugs, functionality I couldn't figure out, and UE4 blueprints
• Why there's no screening room
• Developing accuracy in the warehouse layout
• The construction of each room, as well as the outside area
• Finding accurate references, and the 3d modelling/texturing involved in creating various props
• Hidden details you may not have noticed (but your brain did)
• Creating the music and sound effects

Here's some shorter clips:

01 - How it Started

02 - Why there's no Screening Room

03 - Hidden Details

04 - Developing Accuracy

05 - Details That Nearly Drove me Insane

06 - Rob Schrab and Starcadian VHS Tapes

07 - Snow Music

I'm not a professional gamedev so there's probably lots I got wrong or am not clear about. Thanks to everyone who played and for all the nice comments!

Let me know if you have any other questions!