The Lost World is a brilliant bubble shooter game. Use your mouse to aim your gem at a set of gems that are the same colour to pop them. Pop all the gems on that level to move onto the next level. If the gems reach the bottomof the board that means it's game over and you'll have to start again. You get more points for popping bigger sets of gems.
Shoot the bubbles up and create groups of 3 or more of the same color to remove them from the game. You can aim your shot while holding down the mouse button.