Prepare for the ultimate fun for all matching puzzle game! Your task is to supply blocks to your workers. If you find yourself unable to supply them fast enough, the workers will go on strike and eventually leave the job site. Think quickly and logically by using the mouse to match sets of runes. Sets of four will be rewarded with an ice ball, while sets of five will earn you a fire ball. To advance to the next level you will need to keep your eye out for the keystone that must be positioned into the keyhole.