title says it all

I'll double-check with the others but realistically the answer is no as we do not allow remakes/demakes of existing intellectual property and it will fall under that rule by proxy.
This doesn't stop you making something inspired by a particular game / style of course, just not directly using that IP.

https://itch.io/jam/gbjam-13

FAQ > Questions about GBJam entries >

Can my entry be a remake or a demake of an existing game?

No, games must be original and not use existing intellectual property.