Die Sage von Nietoom

The German point-and-click adventure Die Sage von Nietoom (English: “The
Legend of Nietoom”) was released in 1994 by a small game development team from
Berlin, Germany being their first and only released title. Young Marco is an
ordinary boy living in the little town of Arluk near the Marmaan Mountains.
Sometimes he visits his grandpa Wando who lives in a old hut in the mountains.
Wando is the best storyteller in the world and one day he tells Marco about
the secret doors to travel between the worlds.

Die Sage von Nietoom