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CATEGORY GROUP

Various categories

General trivia spanning science, history, geography, math, and more.

  • 3,721 questions
  • 15 categories

What’s inside

Counts are published, reviewed questions — they grow all the time.

  • Arabic Scientists119 questions
  • Famous Places67 questions
  • Inventions134 questions
  • World War90 questions
  • The Opposite72 questions
  • Cities and Capitals246 questions
  • Currencies143 questions
  • Periodic Table246 questions
  • Video Games94 questions
  • World History197 questions
  • General Knowledge610 questions
  • Science552 questions
  • Geography573 questions
  • Medicine & Health408 questions
  • Animals & Nature173 questions

And there’s much more

Every battle can mix categories from 7 groups and over 60 categories — from Islamic knowledge and sport to languages, emoji puzzles and No Word!

  • 7 category groups
  • 60+ categories

Try a few

Just as they appear in the game — think it over, then reveal the answer.

The Hammer
HARDGeography30 pts

Counting its overseas territories, which country spans the most time zones?

Correct answerFrance

From French Polynesia to New Caledonia, France covers 12 time zones.

The Hammer
HARDCities and Capitals30 pts

Which is the only capital city in the world that borders two other countries?

Correct answerBratislava

Slovakia's capital sits right on the borders of both Austria and Hungary.

The Hammer
MEDIUMArabic Scientists20 pts

Which scholar of the Islamic golden age wrote the 'Book of Optics' and showed that we see because light enters the eye?

Correct answerIbn al-Haytham (Alhazen)

He wrote it in Cairo in the early 11th century.

The Hammer
MEDIUMMedicine & Health20 pts

Which part of the human body has no blood vessels and takes its oxygen directly from the air?

Correct answerThe cornea

Blood vessels would cloud it; staying clear is what lets light into the eye.

The Hammer
MEDIUMPeriodic Table20 pts

Which chemical element has the symbol W?

Correct answerTungsten

The W comes from its other name, wolfram.

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Various categories · Battle of Brains