Is there a way to play this on real hardware? The incube8 release seems to be sold out at the moment and it seems more fun on an actual gameboy.
Yes, it is! The game will be available again at the end of the year.
Do you mean it will be available to download or that it will be purchasable again later in the year on incube8?
It will be available on the Incube8 Games homepage.
Will it be available as a download? Your answer is still unclear regarding this.