Concentration : Level based around springs with inndustrial deco.
Brainstorming: asked some irl friends about the planet theme. They said a level where you orbit a planet might be cool, with low gravity.
SCAMPER: Deadlocked but every orb changes the colour scheme.
Ramsey method: https://en.wikipedia.org/wiki/Gravitational_collapse
Maybe a platformer level where you try to escape a star that collapses into a black hole?
Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the center of gravity. Gravitational collapse is a fundamental mechanism for structure formation in the universe. Over time an initial, relatively smooth distribution of matter, after sufficient ac...