Description of CalQ CalQ is the most challenging and addicting math-based board game of the store, and it's ¡FREE! The goal is to solve as many target numbers as possible! How it works? Very simple, you just need combine as many cells as possible. The more combined cells, the more points you score. Cells can be positive (+1,+2, and +3), negative (-1,-2 and -3) and multiplier numbers (x2 or x3), or "stars", that will have big impact on boosting your final score. Check out our two games mode: (a) Normal mode: you only have 90 seconds to solve as many target numbers as possible, and (b) TimeAttack mode: ¡You vs the timer! Every time you solve a target number, you add more time to the timer. !You can keep playing for hours!You can also share your scores connecting CalQ to your Google+ account. It's very addictive, you will not be able to stop trying to improve your record and train your math skills and brain. Are you ready for the challenge? ¡Start playing now!