Lite version contains subtraction in 3 levels 010 Easy, 020 Medium, and 0100 Hard. Learning basic math has never been more fun. You will love to see your children making progress in their arithmetic skills while being entertained. nnMath with Mathaliens features two basic game types Mathaliens Bingo and Hunting Mathaliens. Both of these games are designed with kids in mind. They are very simple to use with no timeconsuming settings and no confusing interfaces. Just a few clicks and the rewarding learning experience can begin.nnIn Mathaliens Bingo, the aim is to create either horizontal or vertical pattern of Mathaliens. This can be done by matching correct answers to math questions with numbers displayed on twenty cards.nnBingo can be modified in two ways. There is a possibility to select one of three difficulty levels depending on your childs interest and ability.nnDuring the game, children are kept motivated by the desire to improve their best score at the hardest possible level. Immediate feedback on whether their answer was correct or incorrect enhances learning.nnHunting Mathaliens is a fun game consisting of five levels. The possible modifications to the game are the same as in the Bingo. The object is to get through all five levels. Each subsequent level gets more difficult as more answer choices are displayed and maximum time to select the correct answer gets shorter the shortest time can be selected in the Settings.nnAfter finishing all five levels, children are rewarded with a new lovely Mathalien creature. All Mathaliens are animated and a child can collect them in his or her gallery.nnBased on our twodecade old experience in development of educational software, we made a considerable effort to ensure that this app is as simple and instructive as possible. All the children we showed it to in our research reported improvement in their math skills without tediousness typical of solving math problems in a more traditional way. We hope your children will appreciate and enjoy this app as well.