this is incredibly detailed. how long does it take to develop a game like that, and what skills are needed (and what tools are used)? Is that even realistic f

this is incredibly detailed. how long does it take to develop a game like that, and what skills are needed (and what tools are used)? Is that even realistic for one person ? I would like to play one for motorcycle parts mechanic (like a Norton or a Triumph or a Honda Goldwing).