Last update :
No more ad during the game and new UI !
You think the additions are easy?
Train your brain and try to beat your friends! Solves the equations as quickly as possible to get the best score! Compare your level of mental calculation with your friends and even with the world!
This version of Sum Challenge Android Game comes with one universal variant which will work on all the Android devices.
If you are looking to download other versions of Sum Challenge Android Game, We have 1 version in our database. Please select one of them below to download.