This game has both a colored version and a black and white version to make it easier to print.
In this game you are the alien on an unknown planet. You have to solve subtraction cards in order to get to stay on this planet. You need 12 cards to win, but getting those 12 cards may be difficult. There are some tricky cards in the deck that may make you put all your cards back.
This game has subtraction facts from 1-15 and 12 tricky cards. These tricky cards are putting all the cards you hold back, a free card you can keep, a card that makes you put 1 card back, a card that makes you give 1 card to a player, and a card that lets you take a card from a player.
It is a great way to review subtraction facts to 15!