Yeah that works, but also probably needs smaller stairs. The difficulty in terms of assetpacks is to provide a generalized middle which is most useful for most scenarios.
What I got in progress are currently 2 more Tileset packs (similar like the 3 currently existing ones) and another pack with a ton of character animations (same model as the sidescroller template, but dozens of new animations).
Since there is an enemy delivered with each pack I think the basics for building something are fulfilled (and so far I tried to make an enemy with unique behaviours for each pack), of course I understand that the more offering there is, everything gains in value.
But I can't say when i will release those, since I am working on it exclusively in sparetime hours.