All versions were produced with single sliding door. The operator is placed in the space above the sliding door. The driver's side sliding door became standard. The mechanism used to operate a sliding door is called sliding door gear. The decision to go with a single sliding door was done to reduce costs. The Sliding Door Game has been relaunched as Goldrush. Each seating aisle was provided with its own exterior sliding door. The seats come with a sliding door and a minibar. These are called "sliding door operators". In The Sliding Door Game, now only 2 of the doors contain money. A single sliding door on the right side was the only entrance. This was replaced by a sliding door on the later aircraft. This generation uses the sliding door on both sides. The vehicle was windowless on the sides and had a large passenger-side sliding door. Alongside the sliding door, several designs underwent consideration for the floor layout.