What is the essence of your game if no one knows about it right? If you think it’s not launching, no it isn’t. You should be proud that you made it. Go on. Upload your game online and tell everyone about the good news. You target market should know about it.
They are the first people to know about your greatest work. They will be your supporters and advertisers as well.
Second on your list are your friends. Why? They will serve as your fans. They will be so proud to say that their friend has this game and all.
The reason why your professors should know about your work is that they will be the people who will recommend you to others who need a game developer.
Isn’t it amazing? You only have to get your confidence higher and things will follow your way.