From the back cover of the rulebook: This game details super tank combat in the late 21st and early 22nd centuries. This is a stand alone game. It may also be used with the Cassiopeian Empire role playing game as optional rules for tactical combat. No map is included. You the player make your own map using the outline that is provided. This makes the game different every time you play. This is a diceless system. Combat is done on a offense vs defense chart. Two vehicle sheets are provided. This gives you two of each type vehicle. Items needed for play. Blank paper, several different colored markers and a ruler. For two or more players.