You have 30 seconds to score as much points as possible by recognizing shapes on screen. Click "Yes" if the shape displayed matches the text in question, "No" otherwise.
The game has leaderboard, so you can check and compare how good is your recognition skills.
The skill needed to recognize different objects in any environment is very important in a lot of situations, especially in danger.
Practice 5 minutes a day to keep your recognition skill in shape.