Description

18 － 9, 85 － 8, 38 － 25, 82 － 34, 91 － 69... ..., how fast can you calculate the answers? 3 seconds? 5 seconds? Through this funny and exciting shooting game, you can improve your speed and accuracy. Let's help S Ranger fight against the Mad Robot!

18 － 9, 85 － 8, 38 － 25, 82 － 34, 91 － 69... ..., 你需要多少時間計算這些算式的答案呢？3 秒？5 秒？透過這個有趣、刺激的射擊遊戲，提升你的心算速度。齊來與減法戰士消滅瘋狂機械人吧！

What's New in Version 2.0

- iOS 6 supported
- for iOS 5.0 or below, no need to update
- If the app failed to run after update, please remove and reinstall again.