Heatblast Math Addition Game OnlineHeatblast Math Addition is a free Online Game at Infofully. This is a math game only for little kids, who like to play learning games. So, get ready to solve the questions very fast. See the options which are shown on the top of the game screen in front of the question. One of these options is correct. Choose the correct one very fast to get a score and to move to the next question. The time bar is also running on the left bottom of the game. Try to find out the answer as fast as possible. You can try Child Math Game also. Game Controls: Mouse.