Yay, a double progress post.
I made a lot of progress yesterday and today, finishing the Transition level between World 5 (Cave) and 6 (Mountains), but also made a start on the transition level between World 2 (Forest) and 3 (Ruins).
Here are some screens of the second part from Transition W5+W6
The second part uses a rocky grassland tileset with a Vanilla BG. This is actually the first level I made for this hack with bullet bills XD.
And here from the other level:
: As the title says, this level starts out in a forest with some goomba's.
: Slowly but steady you get in the first ruins section.
: Here you're almost at the midway point, which is how far I came today. There are still some forest aspects, but the main theme is ruins now.
A lot of sprites need to be added yet, hopefully explains the empty screens.
I also updated the main post with a lot of screenies from all the worlds, check it out!