Make matches by placing 3 or more gems of the same type next to each other in either an horizontal or vertical arrangement.
To clear each level, you must complete the fill bar in the right and/or break all the tiles below the gems, you lose a life if the time runs out. You can also activate stars and power potions by making a match touching them.

POWER-UPS:
STAR Bomb: Destroys several jewels near the star.
RED Potion: Destroys jewels in diagonal directions.
YELLOW Potion: Breaks tiles below jewels.
GREEN Potion: Grants extra time.
BLUE Potion: Destroys jewels of the same type.
PURPLE Potion: Destroys jewels in a row.