Open Mix
A cross-signal catalog of countries, radio code words, games, sport, languages, and the world around them.
7 formal questions · 6–27 answers per question
THEME BEACONS / FOUR LIVE CATALOGS
Choose a Signal Run trivia theme.
Each live theme has seven formal questions from the dated editorial batch, a closed answer table, aliases, explicit points, and source records. The theme changes the catalog, not the scoring rules.
Animals & Nature
Animals, habitats, weather, and natural systems with closed lists and source-backed boundaries.
7 formal questions · 5–64 answers per question
History & Civilization
Languages, cities, traditions, architecture, and public history with explicit scope limits.
7 formal questions · 5–51 answers per question
Science & Invention
Measurement, elements, planets, machines, missions, and systems of discovery.
7 formal questions · 6–22 answers per question