Effing Worms Xmas is an amazing action game. It can be played here on CrazyGames.com in your browser. The game is powered by Flash technology to run fast in all modern browsers. Effing Worms Xmas has received 19,895 plays and has received a rating of 9.1 / 10 by 370 people. If you enjoy playing Effing Worms Xmas, you should also try our other action games or Effing Worms 2 and Hole.io.