Holy hell yes, I've been waiting for something like this to come around.
I've never designed a solo game before, but I do have one at the back of my mind that's more or less suited for this particular idea.
It's a bit of a mixture between Artefact and BoB, subject-wise at least.
You play as The Horse, carrying wannabe adventurers to their stabs at glory and ultimately their doom.
As you finally rest your hooves, contemplate the various riders you carried to an uncertain fate, look back at your accomplishments, shortcomings and relationships, be it as Noble Steed, a Scourging Nightmare, or something else entirely.
Working Title: Horse For The Kingdom
Not sure if it's a fitting idea, so any feedback at all is welcome!