Here is the full list of all 26 Nongünz achievements.
L____D +++
^^^^ +++
-o_ +++
100 \o/
>>-----> +++
x100
50 \o/
Nongünz
DCLXVI
XXXXXX
XII
VI
d_b
x50
XVII
x30
10 \o/
100000
III
10000
x10
100