Over the years many Christmas themed games got released on the Amiga. Some were full commercial games, while others were Christmas Specials, released on magazine coverdisks.
Here are the ones I remember:
Aunt Artic Adventure
ATR: All Terrain Racing Christmas Edition
Barney Bear meets Santa Claus
Cannon Fodder Amiga Format Xmas Special
Charlie The Xmas Chimp
Christmas Dizzy
Fire and Ice Xmas Level
Galactic: The Xmas level
Holiday Lemmings '93
Holiday Lemmings '94
Maria's Xmas Box
New Year Lemmings 1991
Not Very Festive Fodder (Cannon Fodder 2 demo)
Psycho Santa (I've still not tried that yet)
Rody Noel (French game)
Santa and Rudolph do Christmas (shareware)
Santa's Xmas Caper
SnowWar (by Wizzcat)
Xmas Lemmings 1991
Xmas mines 1, 2 and 3
Are there any more you know of? And also have you played any of these listed? And if so how much did you enjoy them? Now that I've listed these I'm going to have to play some of them again.