Drübberholz e.V. published the games Ludoviel (a collection of a games about games) and Dörbern (a cardgame by Wolfgang Panning, 1998). It is a registered society (est. 1983) that runs the Tagungshaus Drübberholz, a boarding house in Lower Saxony (Germany) which focuses on offering its guests openness, individual responsibility and creative playgrounds as well as a large collection of about 6000 games. Drübberholz regularly stages workshops and gaming weekends. It also houses the Spielezentrum Niedersachsen (Games Center of Lower Saxony).