The greeks had many breakthroghs and inventions over the golden years of greek theater. The Greeks made theater a big part of there culture. They made theater big so that the people could show there feelings in acting. The greeks had inventions to make theater more fun and enjoyable for the people watching. The Greeks made history with their mask materials, mask, special effects, arena shape, and costumes. In Greece also theater was a big way for them to worship the gods. The greeks also created new types of plays including comedy, drama, and mystery.