How does it work?

You play seven minitests in a row. They all start very easy so nobody gets frustrated and get harder with every hit until we find your limit. What counts is not how many times you hit, but the level you manage to sustain.

Reflexes measures your reaction speed: you tap when the screen turns green, and later decoys appear that you must not tap. It resembles a processor's clock frequency. Math asks you to say whether an equation is correct, getting more complex each time, and resembles the performance of a single core.

Multitasking makes you do two things at once, one on each side of the screen, and switch rules in the middle of the game: the equivalent of having many cores. Memory shows you numbers that get longer and longer and resembles the amount of RAM; how fast you answer resembles cache.

Shell game and Odd one out measure how you follow moving objects and how you find a difference among many similar shapes: they resemble the work of a graphics card. Icons shows you some drawings at the start and asks about them at the end, and resembles storage.

Each result is compared with a reference distribution and turned into a percentile from 0 to 100. Then we look, in a table of real processors, for the one that most resembles your profile. A touchscreen responds with more delay than a mouse, which is why we use a different scale for each type of device.

The norms we use are provisional and we keep adjusting them with the anonymous results of people who play. This is a game to have fun: it is not a medical or intelligence test, and it is not meant to evaluate anyone.