"Resources" - 1 's'.
"Enemies" - 1 'n'.
The level selection is not saved.
The music in the upgrade menu is not looped.
Thanks for the feedback! I’ll be sure to address those for the next update. By the level selection, do you mean when you quit inside of a mission?
Yes. I mean, people usually play at the same level as last time. But every time you select the first level, you have to click "right" to select the desired one.
Ahh I understand, will be coming soon!