If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Popping Ghosts is a puzzle based online game that can be played in Story Mode, Survival Mode and Zen Mode. In each colorful and attractive levels of the game, you have to click to remove the monsters. Always try to get bigger clusters of monster balls removed with each click. Different kinds of monster balls come into play as the game progresses.