Working with Primo 2.4 (9.6.13.267029) and diMkaWA_P174 Nk's skin with this sys.txt:

[debug]
skip_eula=1
experimental_features=1

[interface]
show_exit=1
extra_settings=1

[other]
demo_enabled=0

[route]
hnr_ignored_missing_country_ids=*

[vr]
disabled=0

and of course with Varelo's explanation above.