Players can also purchase bigger and nicer (and pricier) farms. Inexpensive studded tires use steel studs, while pricier tires use more durable carbide studs. This made pricier private facilities competitive by marketing themselves as providing better-quality healthcare. The standard Excel remained available alongside the pricier S.E. Origin is available in two editions, the regular version Origin and the pricier OriginPro. The 1.6 was added during 1987, complementing the pricier 1.8.