"Well, it's obviously pre-Mall, however long ago that was. Let's just treat him like any other new guy. Only without the sociopathic hazing."
I look back down at Sigma.
"Okay, all of us are in this thing called the 'Respawn Matrix'. Most of your files got corrupted, so we reloaded one that wasn't. Clearly, that was made before you entered the Mall, so that's why you don't remember us or the Mall or anything. Think of it like loading a save in a video game. Anyway, let's go inside."
I look back down at Sigma.
"Okay, all of us are in this thing called the 'Respawn Matrix'. Most of your files got corrupted, so we reloaded one that wasn't. Clearly, that was made before you entered the Mall, so that's why you don't remember us or the Mall or anything. Think of it like loading a save in a video game. Anyway, let's go inside."