to get a lot of money you can repeat the bonus unlimited times (5800$ each time) by clicking the image of the slug parasite in the bestiary page.
you can find it after beating level 13, 14 or 15(i don't remember).
+ to keep this alive.
very beautiful but i gave it 4 stars because it could be improved: i suggest i shortcut for the command "call for battle" and the possibility to use arrow keys to walk
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