Insubstantial Block

Over the worlds of Mos Speedrun 2 insubstantial blocks can be found that behave like air. But the pattern in which they are laid out clearly hints to hidden ares. In order make these blocks solid you must activate the pressure plate in The Switch room in Level 1-5.

Levels
The following levels contains insubstantial blocks.
 * Level 1-6 access to Radio Tower
 * Level 4-2 access to Knights Room and Big Basin
 * Level 5-3 access to Xylophone Room