2Fast! includes two different games; One for testing your reaction speed and one for testing and improving your concentration and mental sharpness.

There is a bonus game too, with which you can prove your skills in time estimation.

Improve yourself and have fun!

2Fast! = 2 + 1 games

Reaction!
-----------
Test and measure your reaction speed.

Tapping!
----------
Improve your concentration and mental sharpness. Tap the boxes, which blink in ascending speed. There is also some tricks which force you to be awake and alert all the time.

Bonus!
--------
Test your skills in time estimation.

These games are also hilarious program when you are having a party! How sharp are your friends actually? And how about after a beer or two... ;)

The zip file includes a pdf help file too.