Click and hold your mouse over your building to select it. While still holding, move your mouse over a building you’d like attack and release. To select multiple buildings, click, hold, and drag across up to 15 buildings and release on a single building you’d like to attack. The number keys activate the spells.
Houses generate people. Crystals give energy to use spells, and increases the speed of your troops. The more people inside, the more crystals you’ll get. Towers increase the defense of your troops. The more people inside, the faster it shoots.