Only indirectly related to AC, but I believe Unity's new subscription-only pricing system announced a couple of days ago may have consequences for the engine's future, and those of us who are interested in releasing games commercially on a small budget.
I'm currently using the personal edition, but was planning to switch to pro later this year - but this new subscription system seems like a really bad deal if you're a small outfit only interested in desktop platforms and single-player games, so I'm again considering moving to Unreal Engine, especially after they opened their marketplace (read: asset store) to actual code assets and not just Blueprints.
My main project is currently at a stage where I've got all the technical components in place and integrated, so the next several months I'll be focusing almost exclusively on building assets and writing, which could quite easily be moved to a different engine. I would hate to throw out all the work I've done on the technical side, but I will definitely be following Unity's course over the coming months to see where they're going - and then decide if it's time to make the switch.
Well, just some thoughts over my first cup of coffee this morning - now off to work on the game!

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For now I'm staying put with the Personal Edition, at least until I finish my current game (at least). Unity Pro doesn't seem to offer much of an incentive to me, and the Unreal Marketplace is nowhere near the asset store in terms of full game creation kits on Adventure Creator's level. I tried UE4 when it was released and spent (wasted) ages trying to get my head round blueprints, all in vain (in fact I had more luck with the Kismet and Matinee systems in Ue3). With Unity, and assets like AC (among others), I had the beginnings of my own playable game in under a hour.
In the future that could all change of course, but for now that's my two cents.
@Snebjorn: I think people only associate Unity with low quality due to all the overly-ambitious, derivative/unfinished, zombie survival mmo games a lot of people put on Steam Early Access, and quite often abandon them.
The engine itself is certainly not a sign of mediocrity, it's just that the Asset Store made things so easy to implement certain game mechanics, and then, sadly, people lazily abused that as a quick shortcut to game creation, rather than using it as a catalyst for them to finally unleash their creativity into something of genuine worth. A lot of stuff on Steam EA appear to be little more than playable prototypes.
For the splash screen though, I think they should include that in the Plus Edition, then you could just pay for the month that you launch the game in, as with Plus there is no obligation to have a 12-month plan.
Will you be keeping a blog or something? I was genuinely interested in your game.