CONTROLS:                     
* Arrow keys move those ways. 
* Space bar launches attacks. 
                              
POTIONS:                      
* Green potion -  Health      
* Blue potion - Axe           
* Violet potion - Fireball    
                              
KEYS:                         
* Match colors or themes to   
  the corresponding doors.    
                              
EXIT:                         
* Search for the flashing     
  skull slab.