Click the "START GAME" button. When you click this button timer will start. Anyway, there is no limitation for time.
There are many set of cards that have pictures on face down. We need to match all the cards. The Matched cards will be turned up.
The player has to click on two cards one by one. The cards are turned over,the faces are shown. If the cards match, the faces remain visible. If they do not match, the cards will be turned over and only the backs are visible again.
If cards have long text, it only displays the particular amount of text. So you can view full text, just mouse over on the "question mark" image. It will show full message.
When you complete the game, it shows the message "how much time you take to finish this with score". The score will be calculated by correct attempts vs. total attempts
If you improve your memory you can remember the positions of cards which turned back. So, you can easily match them next time with less number of attempts and therefore you can get high score.
Once after you finish the matching, if you want to try it again, click the "RESET GAME" button and select your topic and then click "START GAME" button.