Penny / Penzilla Design: mixed free and paid pixel interiors, GUI, icons, and character sheets on itch. Hub copy says royalty-free game assets. Free listings on 2026-08-24 (Giant Basic GUI Bundle, Hooded Protagonist, Top-Down Retro Interior) all say "Royalty free and commercial use" and attach PenzillaDesign_StandardLicense.pdf. That PDF was not readable without an itch download, and none of those pages expose an itch Asset license field. Do not treat this store as CC0.
At a glance
Licence
custom
Commercial use
commercial OK
Credit
Unclear: read the Notes
Status
needs-review: Useful, but a real question is open. Verify before you ship.