Update

• Rock tiles replaced with atom symbol
• Background rock texture added to each tile that generates after every game loop
• Dynamically detects which background texture to use
• Combo system for removing the same colored tiles twice in a row
• Mute and Unmute button
• Added sound when triggering the combo system
  
• Added sound for when visible grid changes color to red
  
• Changed introduction text

Bug

• Background images not correctly scaling and can produce purple boarder
• Reset doesn't change grid color back to blue