Control your worm, eat food, defeat other players and become the largest worm on the server. Log in, team up with your friends and play together. New game in. We have over of the best Worm games for you! Play online for free at Kongregate, including Curve Fever 2, Effing Worms - Xmas, and Effing Worms 2. Author: Effing Games ; Description: The worm has retwormed! Surface dwellers, watch out, because this killer worm is hungry for flesh. Burrow.