rock and roll and levitate

The first level is a tutorial.
If it failed you, here are the controls:
A , D -> move left and right 
W -> jump 
E -> interact/pick up (the die) 
LMB -> shoot (and roll) the die when held
Q -> teleport die back next to you

* LMB = Left Mouse Button
 

pssst
The Die's value indicates its density