Suitable Models：
There are four different categories involved ?logic, math, memory and visual ?each of which offers different timed tests. These are varied and range from filling in the mathematical symbols in equations, to counting the number of moving objects depending on shape or colour, to name two examples.
There are eight tests in total ?four are available initially, with the remaining being unlocked via the process of winning medals throughout the daily tests. To improve your chances, the Training mode enables you to play any of the unlocked tests in order to swot up.