• Time-based refill: +1 dice every 15 minutes (up to 10).
• Mystery tiles.
• Store Purchases. 
• Filling up the meter through betting in Slots.

Note: Players can hold more than 10 dice from betting in Slots or purchase—but not from timed refill.

Fig: Time-based Roll Refill

Fig: Filling Up the Meter Through Betting in Slot Games

Fig: Acquiring Rolls from Store Purchases