If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Discover the 7 Wonders of the World in this beautifull match 3 game. First remove all colored backgrounds, you start with clicking groups of 3 more or, but you can later on switch to switching 2 tiles or connecting groups. After that get the key to the key hole by removing items and turning the board.
This game is played with mouse only.