If you're looking for a free experience, there are some great alternatives, though they may not be as deep as Tourist Bus Simulator :
I downloaded the repack. No viruses (miraculously). Here’s what happened: tourist bus simulator steam unlocked top
Access to all bus models and new routes immediately. If you're looking for a free experience, there
Players operate highly detailed, officially licensed buses from brands like MAN (Lion's Coach and Lion's Coach C). there are some great alternatives
Early on, focus on high-demand, short routes to maximize profit.