编辑点评：考验你反应能力的游戏，游戏中会不停出现检测视力时所用的方向标记元素，你要快速点击它们对应的方向箭头。

*** touch the direction ,and challenge your reaction , to be the best one ***
What is your reaction limit*Do you want to challenge your reaction limit*Are you quicker than your freinds*
Try this game and you will find out!
This game is incredibly simple and addictive.Just react to what you see.
The only thing is to react as fast as you can to reach the limit of your reaction ability.
Amaze,share and compare your scores with friends and others on the online game center leaderboard.

***feature***
1、7 modes to choose
2、Game Center supported
3、easy to play ,hard to get high score
4、You can be the best one ,can't you*

***How to play
1、just select the mode
2、press the running letter's direction
3、note:letters's speed is faster and faster, your eye should never miss anyone!!!
4、ok,let's play ,have fun and invite friends to compete~

You could choose seven different mode:
-Basic Mode
This mode is for new player but still challenging.

-Reverse Mode
This mode contains some random opposite direction.

-All Reverse Mode
This mode shows all the opposite direction.It may frenzy you.

-Scale Mode
The size is dynamicly changing.So crazy.

-Variable Mode
All the sizes are different.

-Complicated Mode
The combined mode of all above.

-Monster Mode
Oh...Does it make your head swim,your eyes dazzled,your fingers trembling*