On Christmas day on Board Game Arena...

[sourisdudesert]

[MadMav]

Clay Fighter 2?

[Agent23]

Santa Claws!!!

[pukotto]

Tash-Kalar: Arena of Legends

[Harryp19]

I found the origin of the image:
http://totmoartsstudio2.deviantart.com/ ... 0#comments

[RoboZoom]

SANTA THOR (I know this isn't a board game, but I kind of wish it was now!)

[ChicagoBears]

Cave Santa?

[Matasiete]

It could be Carcassonne Winter Edition, because you never know who a meeple is.

[sparhawkEagle]

What about Dungeon Roll with Winter Heroes expansion?

[quackofalltrades]

Did a google search. Here's what I found

Christmas in Hell: the battle of Ortona
http://boardgamegeek.com/boardgame/7036 ... tle-ortona

Not very likely to have a solitaire game, but then again Thermopyles exists