Keeper of the Grove 2

The keeper of the Grove are powerful, but good spirits that keeps the crystals of power safe from the hands of the bad spirits.  They will keep on fighting as they know that when these crystals fall in the wrong hands, the world might be in danger.   The game is played via mouse and the idea here is to protect the crystals from the evil monsters.  These monster will come and steal the crystal and that is where you come in. You need to assign some defenders in the are to make sure that the monster can't reach the crystals.