Die Bohrinsel, by Jürgen Popp. Version 1.1.
Freiheit, a German text adventure, written by Bodo Mertins and originally published in 64'er magazine. Placed here with the author's permission. (a print-out of a walkthrough is in solutions/german/Freiheit-Loesung.pdf, and a map is in solutions/german/Freiheit-Karte.txt)
Der kleine Hobbit, by Michael Nickles. An illustrated German text adventure, first published in 64'er Sonderheft 4/86. Tokenized BASIC source code.
A description of Der kleine Hobbit, requested by the author.
Punktum, by Oliver Moeller.
Tinvalley and Tinvalley 2, both by Oliver Moeller.
Pacy-Face und seine Abenteuer in Zauberland. A simple German text adventure by Philipp Koehn, 1985. (a QBASIC port for DOS is in games/source/basic/german/zauber.zip)