Thanks for playing! You're right about the Grim Fandango vibes, I really love that game :)
I have in mind some secondary quests that I'd like to add so you can explore the world at your own pace.
About the progression system, I don't want to add anything too complex but it's true that you need a motivation to fight with enemies, I'm trying to keep the amount of fights to the minimum so it doesn't become too repetitive. I try to make each battle feel unique.
Thank you for your suggestions!