Level-5's puzzle franchise Professor Layton series are not 8-bit NES games. They have many more bits and are on the Nintendo DS.

Let's say, for snots and giggles, that Professor Layton was a NES. What would it look like? Perhaps, just perhaps, it would look something like this.

8-bit Professor Layton theme by Nonsak. I feel... [Tiny Cartridge via Infendo]