 Designed by Geoffrey Hayes, it was previously published in the UK by Denys Fisher (1975) as "Conquest" and "The George v Mildred Dice Game" and in Germany as "Tactix", and in the US by Lakeside Industries as "Duell"

The board is placed between the two players such that the eight rows of nine squares run left to right.The pieces are placed so that from left to right the following numbers appear face up