Gem Craft Tower Defence

Gem Craft Tower Defence description:
You are one of those few wizards who can put an end to havoc and corruption swarms through the land. Here you should create and combine magic gems, put them into your towers and banish the monsters back to hell!

Controls
the basics:
To select them drag gems to move, throw or combine them click on spell buttons.

Advanced:
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
You can get your save here, if it is missing.