Nice try, but I won't do that, ratchet, for multiple reasons. Be aware that, with colourful/ standard textures, I cannot stand the direct comparison to Mario, Sonic, Trine, Braid and the like. The simplistic style could set my game apart, although some/ many may dislike it.
Is every square really a cube model in that areas
No, there are only small cubes where they need to be.
The hidden effect is a shader, yes.
Btw, a new "trap": elastic ground makes you slow and prevents high jumping:
