Effing Worms Xmas edition is a normal gameplay of Effing Worms with a Christmas and Winter theme. Instead of eating people and soldiers you eat reindeer and elves.
The landscape is also of course covered in snow and has lots of other Christmas themed snacks for your effing worm to eat. Your goal for each level is located above the health bar on the left side and after each level you will be given two upgrades to choose from to bolster the defenses of your beast.
Upgrade your favorite Effing gigantic worm by devouring elves, reindeer, tanks, helicopters, the flying spaghetti monsters and many many more! Fight against waves and through every bite comes a build to an upgrade whether be it size, speed, armor, and a lot more!