Description:
It's the second release of the very popular tower defense game Gemcraft. In Gemcraft Chapter Zero you will again be fighting through the wilderness in the search of the almighty Gem of Eternity. As you destroy the monsters you will gain karma, use the karma points to buy, combine, and place gems on the monsters path to destroy them. Also there are spells that you can buy to help you succeed in your quest. Enjoy this totally awesome defense game!

Instructions:
Buy and Place Gems: Mouse
Select Spells: 1-6 or B, T, C, M, W, G keys
Next Wave: N key
Repeat Actions: Hold Shift