Kenney — UI Pack Pixel Adventure and Fantasy UI Borders — CC0
https://kenney.nl/assets/ui-pack-pixel-adventure
https://kenney.nl/assets/fantasy-ui-borders
Nekith — Flags — CC0
https://opengameart.org/content/flags-0
Original archives retained; selected PNG files unchanged. Flags drawn from original 16x16 cells.

v212 stadium standards: Nekith cloth frames reused with an arena palette, gold edging, league badge, detailed shaft and weighted pedestal rendered at runtime. Four source frames retained unchanged in flags.png.