Every catalogued page from the live site, with a real screenshot/GIF pulled directly from
kull.games - browse by page (one card per demo) or by concept (every individual
image, tagged by rendering/physics concept - lighting, reflections, water, fire, gravity, materials... -
since one page can show several distinct concepts). Companion to
the research/ranking doc. Concept tags are assigned
automatically (filename + page description keyword match), not hand-curated - treat as a browsing aid, not
a precise taxonomy.