Quite common even in cardboard form, with always on the carboard ones, they're not rarer, if anything more common. but condition of an easily damageable cardboard box over the more durable plastic cases, makes them worth more in mint condition.

Hours of fun, especially if you are the cowboy at the bottom right, as a slight design fault means that there is a longer way to go from foot to head for your opponent (you will se what I mean when you play it). one of the better games however, made interesting by being able to ricochet your bullets from one stone (mushroom shaped) to another, reload your gun!!!