For some more context, I'm using placeholders for things I haven't done yet. GFX would be needed specifically for character design and furniture making (in 2D style). UI itself I can do and a lot of other GFX stuff.
I'll have screenshots soon but for now things I've done:
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Needs depletion system (hunger, social, toilet, hygiene, energy & fun)
Will just have to eventually create the functions that bring the needs back up
Jobs/career system
Currently working on mood system (will affect needs depletion and wants/desires)