Zero play online

Zero is a quick calculation game which is designed to improve the concentration as well as calculation skills especially for those who prepare for competitive examinations. The game is designed with three difficulty modes and a global leaderboard which lets you know your position among others based on your scores.

The game is integrated with zero.agateteam.org which teaches you the calculation tips and tricks and you can practice the same via this app. The website also gives you a detailed analysis of your strengths and weaknesses so that you can improve yourself.