In the game there are a grid of hearts, you have to match the hearts by swapping them. The hearts will be matched if a line of 3 or more hearts of the same kind are there. When some hearts are matched, new hearts will be created. You need to match hearts as quickly as possible in order to advance to the next level.
To play, Javascript of your web browser must be activated and you need Flash player which must be installed or upgraded on your computer. You can download this free player on the Plugins page.