Game Zero 21 online

Description

You are waiting for a new Zero 21 online game. To play it, you will need knowledge in the field of natural sciences, for example, mathematics. On the screen in front of you, you will see a game field with cards of certain dignity in the lower part. A stack of cards appears in the upper part of the field. By clicking on them with the mouse, you can open the top cards and study them. Your task is to collect cards and clean the game field according to certain rules. As soon as you completely complete it, you will be rewarded with the victory in the game Zero 21 and go to the next level of the game.