Havoc and corruption swarms through the land, and you are one of those few wizards who can put an end to it. Create and combine magic gems, put them into your towers and banish the monsters back to hell!

click on spell buttons to select them

drag gems to move, throw or combine them

1-6 or B/T/C/M/W/G selects spells

hold ctrl to create/combine as much gems as possible

hold shift to place multiple towers/trenches

hold shift to create multiple gems

P to pause

click/space/enter to close tutor panels