Dangerous Mining is a micro game consisting of 18 action cards to mine gems. On your turn, you put one of the four cards on the display into your hand and plays a card from your hand. Cards have the abilities to draw gems, play another action card, or discard an opponent's gems. The game ends when a player get 20 / 18 / 16 (2p / 3p / 4p) points of gems, or the pile of gems runs out. The player with the highest points of gems wins the game.