A window well enclosure including a front wall, a first side wall and a second side wall that engage each other. A determination circuit determines whether the present signals of a first signal line and a second signal line are the same or not. A plurality of estimated signals may be generated based on the plurality of weighting factor values. A separate contact piece made of rigid material is coupled to a contact end of the ratchet pawl. In an embodiment, any number of paylines less than the highest required number or max lines qualifies the player to play a second bonus game. The objective designs presented have the optical axis of the Mangin mirror image relay at ninety degrees to the optical axis defined by the focusing lenses, or an in-line or straight objective having one ninety degree bend of light rays.