1. Set Up the game by placing the alien cards in a grid with the aliens facing Up.
2. Each player takes Turns sliding one alien card at a time. The Goal of the game is to Slide the aliens so that four of the same colored aliens are in a row.
3. When a player Slides an alien, that alien must move to the left, right, Up, or down. It cannot move diagonally.
4. If a player Slides an alien and it creates four of the same colored aliens in a row, that player wins the game.
5. If no player is able to create four of the same colored aliens in a row, the game is a draw.