Big-ass RPG with graphics similar to Tibia, isometric view, more animations(especially fighting ones) and good story could be profitable idea now. There is a strange trend that attracts a lot of hipsters who love pixeleted games or platform games. You dont need a lot of voice acting, none motion capture sessions or animating things, etc.But I agree @Leshrot you could easily join an indie development and earn a decent rate if you got spare time.
Btw. We shouldn't be calling everyone indie developer only because They don't have any rich publisher to finance them. At this point it is silly.