With Hexadecimal now back to normal, everything seems to be fine. Or is it? Megabyte has now been merged with the web-creature and is hell-bent on merging with Hexadecimal. It soon appears to Bob that Hex and Megabyte are from the same viral strain – they’re brother and sister! Megabyte manages to merge with Hex and they become a new virus – Gigabyte. This energy-absorbing virus is more than a match for Bob and the rest of Mainframe. Can Bob save the day with Mainframe’s out-of-date weaponry and armour?