[At first, Kaiba doesn't realize he's the one being addressed but a quick glance fills him in on all he needs to know. They appear to be the only ones in the vicinity, still he's not sure what game Ren is playing at at the moment, if the claim is legitimate or not. This wouldn't be the first time the void had given something to the wrong person but that had been confined to intangible things like memories previously...]

How can you tell, from that far away? Do you know how many copies they make of these cartridges in order to see a return on them?

[With a shake of his head, he looks to some of the other titles he's stacked neatly on the table. Amamiya might not be his favorite person, and he has his own secrets to keep but it was still difficult to see him finding the need to lie about something so frivolous as an obsolete system.]

... Has something else happened in the void? [A logical conclusion...]