Cash register game Sims 4 You need to use the cash register function to open a hot pot restaurant, provided you have enough money. Sims 4 is a simulated business game developed by MaxisSoftware, and it is the fourth generation of Sims series. In the game, players can create a personalized world, and at the same time, the game will provide convenient sharing function, quickly share the Sims with friends, and support offline stand-alone function.