I only want to make a game because I think the idea and the technical challenges makes it interesting, and also because I don't see such kind of game around, an

I only want to make a game because I think the idea and the technical challenges makes it interesting, and also because I don't see such kind of game around, and because I would like to play such game. I would not dare trying to make a game that just look like other games, or if it doesn't have features that makes it unique. What would be the point?