From various publisher web pages:Congratulations! You are now the CEO of your very own interstellar mega-corporation. Your goal is to build a commercial empire and corner the market in the resources valued by intelligent beings everywhere.Empyrean, Inc. is a self-contained card game for 2 to 4 players, Ages 9 and up. All the game artwork is by Studio Foglio.You begin a game of Empyrean, Inc. with a single planet under your control - your Home Planet. Each turn, that planet produces resources which you draw from three different card stacks, representing farm resources, mine resources, and factory resources. Each class contains four individual resources, like Nutragoo, Tritium, and Robots. Spend these resources to claim new planets, adding to your production in future turns. Or buy action cards that give random but powerful benefits. You can also trade resources with your fellow players.Or you might want to hold onto them, because once you have three of a particular resource in your hand, you can lay them down in front of you. Once you've laid a resource down, you can add additional cards to the set as you get them. When the set contains seven cards, you've cornered that resource. Corner enough resources and you win the game!You win a game of Empyrean, Inc. by being the first player to corner the market in 2, 3 or 4 different resources, depending on the number of players in the game. Cornering a resource means building a set of seven cards of that resource face up in front of you. - BoardGameGeek