Get Turing into your inventory:
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After you meet with Turing (so after Prologue) you can press Right,
Up, Left, Down, Right, A on any Chapter screen (for example Chapter
1 screen) to get Turing item in your inventory.
You can after use it and get various info about people you met and
change setup for your person.
Test Room access:
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On the intro screen (2064 – Read Only Memories logo)
press Up, Up, Down, Down, L, R, L, R, B, A