The way to unlock the second floor of Dad's noodle restaurant is that players need to unlock two rooms on the first floor, namely the noodle restaurant and the vinegar room. To unlock the noodle restaurant, you need to complete all the menu tasks on the first floor, and to unlock the vinegar house, you need to complete all the hot and sour potato shreds on the first floor.

Dad's noodle restaurant is a life simulation business game. Players run a noodle restaurant. They need to make noodles according to customers' requirements to make more money. They can also develop new ways to eat, attract more customers, expand their noodle restaurants and experience unique business games.