Let's train your reflexes with "ReactionTimeChecker"!

[What is this game?]
-This game can test your earliness of a reaction(reflexes).

[How to Play]
-First,You can see 25 buttons(5*5).
-When a game starts,any one of the 25 buttons color will change to RED.
-You TAP the button as soon as possible!
-After the game ended, you can see your SCORE and EVALUATION(Japanese KANJI).

[World Ranking]
-Once you put your name into a text field, your name, score and world ranking will be registered automatically.
-You can check your ranking at start screen easily.