Android Market Link - https://market.android.com/details?id=com.easyitis.iqblocks The game is based on a simple premise. Mathematical IQ related questions appear on blocks which move from top to bottom of the screen. Before they hit the bottom, you need to select the correct answer out of the three choices available. If a block hits the bottom it stays there reducing the time you have available to answer the questions on subsequent blocks. The game has different playing levels: Easy - 2 digit addition, 2 digit subtraction, 3 digit addition, 3 digit subtraction Normal - 2 digit multiplication, 2 digit division, Ratio, Percentage in addition to Easy Hard - Squares, Cubes, Square Root, Fractions in addition to Normal Points allocated are: Easy : 4 for correct answer, -2 for incorrect answer Normal : 8 for correct answer, -4 for incorrect answer Hard : 12 for correct answer, -6 for incorrect answer Every fifth block is a magic block which, if answered correctly, clears the screen thereby increasing the chances to get a big score. Have fun playing the game!!! New version with improved graphics and heyZap integration released. Have a look.