I got tired of looking around for the code to Alex's gravity thing and remembered this scene with this one guy who made gloo stairs and got killed. : r/prey
Prey Alex's Office Safe KeyCode - YouTube
Detour - Prey Wiki Guide - IGN
Prey guide: 'Who Is December?' walkthrough - Polygon
Main Mission walkthrough - Before I Give You the Key [Prey] - SAMURAI GAMERS
Prey guide: 'Who Is December?' walkthrough - Polygon
How to get into Alex Yu's office and Private Safe – Prey (PS4) - How to, Gameplay #28 - YouTube
Prey Keypad Code Guide - List Of All Keypad Codes
Prey guide: Where to find the Escape Pod Key (EP01 keycard) in Alex's room - Polygon