I love the effing worms series. This made it over the top, and I really hope there will be more effing worm games! Here are some things that it could be used to improved: Zoom out a little each time your worm grows bigger. Make it longer, music of metal x-mas song when the worm pops out of the ground, have the option of a shop where each person you kill counts as a point, and it would cost like 1000 or so kills/points to get wings, but only do this for the great upgrades.
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 "ESCAPE"){kind=icon}
 "Effing Worms - Xmas"){kind=icon}
 "Anti-Idle: The Game"){kind=icon}