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