Brettspiel Adventskalender 2015

Brettspiel Adventskalender 2015 is pretty much what the name says it is: A board game advent calendar for 2015. It contains 24 small expansions for 24 different games, from 21 different publishers.
The game rules are not included, but are posted separately on the publisher's web site, on each day from December 1st to 24th.