Seasons Greetings from the Companion Cube

Valve's online store has started to offering a little thing for a seasons greetings today. Are you already writing out those Christmas cards, but want to give them a little flavor?

Then head over to the Valve store and purchase these Companion Cube Portal themed cards. They come with 15 greeting cards that will certainly let your receiver know that you truly wish them a well Christmas.

They might even get cake.

[Via Valve Store]