Very nice. Why don't you make a game that is more ambitious? Spend like 1 full week on it?
i have made in this style greater games with unity.
for example --> Last GameBoy by Bardon (itch.io)
it was only for the trijam, made in 3 hours
I have made bigger games in this style in 3D:
Last GameBoy by Bardon (itch.io)