Cube

Cubes are a rare resource in Planet Master and the Premium Currency in Stella Maiden: Reflectstar.

Acquiring
Players can obtain it by completing daily quests, missions, achievement, a possible reward from exploration, and exchanging Polaris Coins.

Usage

 * It can be used to give a temporary buff to the production of Crystals on each planet.
 * Summon Satellites
 * Unlock/Upgrade Unique Girls.
 * Purchasing single-use items

Acquiring
Players can gain Cubes by purchasing in the in-game store, or by completing missions, and scenarios.

Usage

 * Expand the available slots in Fleet Formation, Fleet Size, Recovery Slots, Research Slots, Summoning Slot, Unit Stationed, and Unit Storage.
 * Acquiring Resource, Cores, and Train Ticket
 * Unique Costume for Reflectstars
 * Packages