Each player has 4 pawns (cosmonauts). They have to get to a planet and back to earth again. To determine the destination planets, each player draws 4 cards. Then the players turn the spinner. If the spinner shows the angular coordinates of a destination planet, the player places a cosmonaut on the planet. When a player has all 4 cosmonauts on a planet, he begins to bring then back home, by spinning the angular coordinates of the planet they're on. The first player to get all 4 cosmonauts back to earth wins the game.