The directional keys control left and right movement, the spacebar fires balls of different colors. When more than three balls of the same color are adjacent, they will disappear. You clear the level when all the balls have disappeared.
Bubble Dragon Cheats:
- faster: Makes the character run faster
- farbubbles: Makes bubbles fly farther
- powerspit: Makes bubbles fly faster
- blowmachine: Increases the speed at which bubbles are blown
- equipment: Combo Cheat - Bubbles
- countdown: Turns all enemies into Crystals
- champions: Grants all three rings
- zeus: Adds lightning to the bubbles
- travel: Skip 3 levels
- hidden: Invisible mode
- dangerous: Fire Breath