CDX is a point and click adventure BBC game played before, but it was only for British players. However, now it is available for internationally. "A sacrificial blade forged at the birth of the Roman empire holds the key to an ancient and bloody conspiracy that threatens to erupt into the present day. Stranded in 21st century Tunis, Adam Foster is plunged into a world of greed, betrayal and murder. But who has the blade, and can the killers be stopped?"