The original files for nine of the cards have been lost, meaning they would only display as a black box. New files have been made for these cards to fill the spaces. They all still have their original stats and descriptions.

List of Replaced Cards:
Daleks
Sea Devils
Sontarans
Omega
K9
Fendahl
Quarks
Nimon
Draconians

In the alternate applications, there is an option to play without the recreated card images.