Current version: 1.0, last update: 7 years ago
First release : 25 May 2016
App size: 4.92 Mb
1. Click on the box that has an irregular color compared to the rest of the boxes.
2. The test starts when you click on the first box.
3. You have 15 seconds to decide on each grid.
4. When you click the wrong box you will lose 3 seconds.