[Theories? Tch, Kaiba is still undermining his abilities. He's going to have to prove himself somehow, which is just pathetic. How low he'll stoop just for a damn computer.]

Nothing at all? If you lend me either your computer or enough parts to build one of my own - good components, either high grade or with overclock capability - then I can code just about anything you'd like. Viruses, worms, I can set up DDOS attacks, backdoors.

[... And if it wasn't obvious enough that he's trying to butter the CEO up:]

... Or even that card game you insisted I try. How interested are you in creating a computer version capable of online and LAN play?