It seems that new mines are constantly being discovered... But these mines are not large, and all the dwarves must rush to make the most of their abilities in just one day! In the two-dimensional version of Quartz, the challenge is the same: Everyone must explore the mine and sell the crystals they have mined in the city at the end of the day. The dwarf who manages to collect the most money will have the mine exclusively to themselves.

The game is divided into six rounds. In each round, each player must:

• Mine a crystal: The player draws a crystal from the bag and places it in their cart. If the mined crystal is unstable, the player receives a reroll marker. There is no limit to the number of reroll tokens a player can have.
• Roll the dice: Each player has up to three dice rolls per round. On the first roll, they must roll all 5 dice. On the second and third rolls, they can reroll any dice they want. If they have a reroll marker, they can discard it to make an additional reroll.
• Perform actions: According to the result of the dice, the player will be able to perform one or more actions. The more sides of the same action are available, the more effective this action will be. Actions allow the player to mine more crystals, steal crystals, store crystals in the chest, or transfer unstable crystals to opponents.

At the end of the game, all players receive points based on the value of the crystals they have, with the right to bonus points for collections of equal crystals. Each unstable crystal will incur a penalty of 3 points to its owner, and the player with the fewest crystals in the chest loses 5 points.