itch.io

This is neat! Where can I download the ROM?

Gone fishing.

I give up.

You install the .apk .

I like it, none of the links under credits work tho, it sends me here:

You need to press undo until you get to the second halo, whilst there are always two functional sets left after the first halo, you need to have the right halo configuration or its unsolvable. My strategy is building the second and third halo at the same time using the free columns.