Games like Inside a Star-filled Sky

What if you could enter an object in a level and find a level inside of it? What if you could enter an object in that level and find another level inside of that?

What if you could enter an object in a level and find a level inside of it? What if you could enter an object in that level and find another level inside of that?
Picked to match Inside a Star-filled Sky on gameplay, themes, and feel.