Simple logical game with elements of move strategy, 200 levels. The enemy legions are arrayed on the field, and you have but limited moves and shots in your each round, 6 or 7 tops: choose as you go, from a set of 5 maximal trade-offs. Following your strokes, the enemy makes a measured advance. If he reaches you, you lose. There may be obstructions and certain rigged perils, critically situated, or remote ammunition stores that must be reached.