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A training module to sharpen your mental math.
Don't tell me you've never played this one. Old games still have it.
An intensive training module for your memory.
A training module to sharpen your logic.
Remember a sequence that grows harder at every level. Trains your focus and, of course, your memory.
Find each number as fast as you can in a shuffled 100-cell grid: reflexes and attention.
Memorise a series of coloured squares, then say how many there were of one colour: perception and memory.
Five tests in a row (math, memory, logic, reflexes, perception), compared with the other players.