This achievement is relatively simple. Just go into Infinity Time, get to wave 5, vanquish the king, or have a friend do it. Just be in the game while he is vanquished.
- The object shown in the achievement's icon is actually the Blue Gnome King's cracked googles. This also applies to King of Spring, King of Autumn and King of Summer.
- However, the background for this achievement's icon is blue, while the background for the other mentioned achievements are different.
How would you rate King of Winter's difficulty?
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