Streets of Fight — Ansimuz / Luis Zuno — CC0
https://opengameart.org/content/streets-of-fight
https://ansimuz.itch.io/streets-of-fight
Free female fighter and punk animation sheets. Custom pixel hairstyles, garment construction, facial details, accessories, build proportions, palette variants and equipment overlays by Streets of Fury. Two animation bases, 24 visual variants. License copy: arcade/LICENSE.txt.

Futuristic Guns, Weapons and Items — knekko — CC0
https://opengameart.org/content/futuristic-guns-weapons-and-items
Melee atlas crops used as equipment and held weapons.

Urban Character Pack — Joe Dunkerley / Doodle — CC0
https://opengameart.org/content/urban-character-pack
Retained for the medical NPC, with a white-coat palette.