Free quiz builder

Deep question library

Build better quizzes from a deep question library.

Start free with approved categories and custom questions, publish quizzes people can play online, then move to Pro or Business API access when your workflow expands.

Get started Explore features View pricing

Which male player has won the most French Open men's singles titles?

What Renaissance-era painting technique deliberately changes hue (rather than value) to depict highlights when pigmen...

Who holds the NBA career record for most assists?

Which NFL team plays its home games at Lambeau Field?

In Greek myth, which goddess sprang fully armed from Zeus’s head and is the patroness of wisdom and strategic warfare?

Gödel's first incompleteness theorem (1931) establishes which fact about any consistent, recursively enumerable theor...

Which international organization publishes the World Economic Outlook (WEO) reports with global growth forecasts and...

Which best describes the time inconsistency problem in economic policy?

Which U.S. appellate court has exclusive nationwide jurisdiction over appeals in patent cases?

A box has 5 red, 7 blue, and 8 green beads. If three beads are drawn without replacement, what is the probability all...

Evaluate the limit: lim_{x→0} (sin(5x) − 5x) / x^3.

In what year was the Nintendo Switch first released worldwide?

What is the basic mechanism behind spherification used in molecular gastronomy?

Vancomycin exerts its bactericidal effect primarily by which mechanism?

Which planet has a sidereal rotation period that makes a single day longer than its year?

Which company introduced the first iPhone smartphone to the mass market in 2007?

Which country is commonly called the "Land of the Rising Sun"?

Which management approach emphasizes rapid, iterative product testing and learning through small experiments to valid...

Which cold Spanish soup is traditionally made from blended raw tomatoes, peppers, cucumbers, and bread and served chi...

In basic spherification techniques, which calcium salt is commonly used to supply Ca2+ ions that cause sodium alginat...

The term "Lost Generation" is most closely associated with which literary movement?

Who is the author of the novel Ulysses, first published in 1922?

Which particles mediate the weak nuclear force responsible for processes like beta decay?

Which ecumenical council in AD 325 produced the original Nicene Creed and affirmed that Jesus is of one substance wit...

Which country has the smallest land area in Asia?

What is the capital city of New Zealand?

Which proposed solar geoengineering technique would scatter sunlight by injecting reflective particles into the strat...

Which early computer game, developed around 1980, popularized permadeath and procedurally generated dungeons, inspiri...

After the U.S. House of Representatives impeaches a federal official, which body conducts the trial to determine conv...

Which building intervention most directly reduces urban heat by increasing surface evapotranspiration?

What does the 'critical period hypothesis' in language acquisition propose?

Which acoustic formant is most closely associated with vowel height (high vs. low vowels)?

Which architect designed the Salk Institute for Biological Studies in La Jolla, California?

Who was the United Kingdom's first female prime minister?

What 1866 achievement first provided a durable telegraph link between Europe and North America?

Civil liberties primarily protect individuals against which kind of actions?

Which bird is famous for exceptional vocal mimicry of natural and human-made sounds, including camera shutters and ch...

Which best defines an ecological 'sink' population in metapopulation theory?

Which jazz singer famously recorded the protest song "Strange Fruit" in 1939, bringing wide attention to its anti-lyn...

Which British progressive rock band released the album Selling England by the Pound in 1973?

In historical linguistics, what is a 'reflex'?

Which ABC drama centers on fixer Olivia Pope, played by Kerry Washington?

Which 1999 supernatural thriller, directed by M. Night Shyamalan, features a child who claims to 'see dead people'?

Who composed the original scores for Peter Jackson's The Lord of the Rings film trilogy (2001–2003)?

Which actor portrays Thomas Shelby, the leader of the Peaky Blinders, in the BBC series?

Which boxer won the 'Thrilla in Manila' on October 1, 1975?

Which Surrealist artist developed the technique called 'frottage', making rubbings from textured surfaces to generate...

Who captained England to their first ICC Cricket World Cup title in 2019?

In boxing, what is the term for a referee stopping a contest because one fighter cannot safely continue, resulting in...

In Hawaiian mythology, which goddess is most closely associated with volcanoes, fire, and is said to inhabit Kīlauea...

Which German Expressionist group formed in Dresden in 1905 and included artists such as Ernst Ludwig Kirchner, emphas...

Which city is home to the Uffizi Gallery, famous for housing Renaissance masterpieces like Botticelli's The Birth of...

What property characterizes a Horn clause in propositional or first-order logic?

In Hindu tradition, who is the divine craftsman and architect credited with building the gods’ palaces and forging ce...

In Mesopotamian myth, which monstrous bird (also called Imdugud) stole the Tablet of Destinies and was later defeated...

Which statement correctly describes the computational status of the 3‑SAT decision problem?

What is the primary purpose of a credit default swap (CDS) in financial markets?

Under the Administrative Procedure Act (APA), a court must set aside an agency action as 'arbitrary and capricious' w...

In criminal law, what does the term 'mens rea' primarily refer to?

What is gcd(84, 126)?

In which year did Square and Enix complete their merger to form Square Enix?

Which cooking fat generally has the highest smoke point suitable for very high‑heat searing?

What does 'carryover cooking' refer to when roasting meats?

Which bacterium is the primary cause of most peptic (gastric and duodenal) ulcers?

Which pharmacotherapy has shown the highest quit rates for tobacco cessation in randomized trials compared with place...

What is the 'bullwhip effect' in supply chain management?

Which gas do plants primarily take in from the air to use in photosynthesis?

After a normal screening colonoscopy in an average‑risk adult, what is the commonly recommended interval before the n...

As of the 2020s, which country is the world’s largest producer of cocoa beans, supplying the largest share of global...

Which of the following is an example of an epistolary novel—told through letters, diary entries, and documents?

Which planet in the Solar System has the fastest measured sustained winds, exceeding 2,000 km/h?

Which gas law describes the inverse relationship between pressure and volume at constant temperature?

Which Mahayana sutra is known for teaching the Bodhisattva ideal and the doctrine of 'skillful means' (upaya)?

Which city is considered the holiest in Islam and is the direction (qibla) toward which Muslims pray?

Which country has the largest population in Africa?

Which international treaty, adopted in 1989, regulates the transboundary movement and disposal of hazardous wastes?

Which clinical finding is required to diagnose preeclampsia during pregnancy?

Which electoral system uses ranked ballots and transfers surplus votes to achieve proportional representation?

Which amendment to the U.S. Constitution protects freedom of speech?

Which human leukocyte antigen (HLA) allele is most strongly associated with ankylosing spondylitis?

Which writing system was intentionally designed as a featural alphabet, where letter shapes reflect phonological feat...

Who is most closely associated with pioneering and popularizing the geodesic dome in the mid-20th century?

In arch construction, what is the keystone?

Which anti-foreign, anti-Christian uprising in China occurred around 1899–1901 and was suppressed by an international...

Who is most associated with popularizing the idea commonly called 'social Darwinism' in the 19th century?

What is the primary function of a Content Delivery Network (CDN) in web infrastructure?

Which IPv4 address block is reserved for private networks by RFC 1918?

Which mammal is the only group capable of sustained, powered flight?

Which electric guitar model, introduced by Fender in 1954, is known for its contoured double-cutaway body and three s...

In writing-system taxonomy, what best defines an abugida?

Which long-running medical drama was created by Shonda Rhimes and stars Ellen Pompeo as Meredith Grey?

Emile Durkheim labeled 'egoistic suicide' as resulting primarily from which social condition?

Which director is credited with directing the German Expressionist film 'The Cabinet of Dr. Caligari' (1920)?

Which language has the largest number of native speakers worldwide?

What is a Bloom filter used for in computer science?

Which artist painted Guernica, the large monochrome work protesting the 1937 bombing of the Basque town?

In sculpture practice, what is a 'maquette'?

Which structural rule permits adding an extra formula to the premises (left side) or conclusions (right side) of a se...

In Norse mythology, which colossal serpent encircles Midgard and is fated to battle Thor during Ragnarök?

In Japanese folklore, which yōkai is a tsukumogami umbrella, commonly depicted with one eye and a single leg and some...

Question database

A category library with real depth.

Browse a wide spread of approved categories, move quickly into niche topics, and keep linking people to the exact category pages you want others to explore.

Static database snapshot

Global question library snapshot

Updated 1:09 AM

Approved questions

4,089

Approved and ready to use

Live categories

Approved category coverage

Questions in pipeline

Pending review and publishing

Quizzes created

Built across all workspaces

Science

Physics, biology, chemistry, astronomy, earth science, and the scientific method.

Movies

Films, directors, actors, screenplays, awards, franchises, and cinema history.

Food

Ingredients, dishes, cuisines, flavors, beverages, food history, and notable food traditions.

History

Major events, timelines, leaders, wars, inventions, and historical movements across eras.

Technology

Computing, the internet, gadgets, software, programming concepts, and modern tech history.

Religion

Faith traditions, scriptures, beliefs, rituals, religious figures, and sacred history.

Health

Public health, wellness, nutrition, prevention, health systems, and major health topics.

Gaming

Video games: franchises, platforms, gameplay mechanics, studios, esports, and gaming history.

Government

Political institutions, branches of government, public administration, and civic structure.

Medicine

Diseases, treatments, anatomy, clinical practice, medical discoveries, and medical history.

Nature

Wildlife, ecosystems, geology, biodiversity, habitats, natural processes, and the physical world.

Language

World languages, vocabulary, writing systems, translation, usage, and language facts.

General Knowledge

Broad trivia spanning everyday facts, common culture, and cross-category knowledge.

Culinary

Cooking techniques, chefs, gastronomy, kitchen methods, recipes, and professional culinary practice.

Literature

Books, authors, poetry, plays, literary movements, characters, and famous lines.

Sports

Teams, athletes, rules, records, tournaments, leagues, and memorable moments across sports.

Business

Companies, management, entrepreneurship, strategy, operations, and business history.

Environment

Climate, pollution, sustainability, conservation policy, environmental change, and human ecological impact.

Law

Legal systems, court cases, legislation, rights, legal history, and major legal concepts.

Mythology

Myths, deities, legendary heroes, pantheons, creation stories, and mythic traditions.

Architecture

Buildings, architects, styles, structural design, landmark works, and architectural history.

Economics

Markets, incentives, trade, macroeconomics, microeconomics, and economic thought.

Linguistics

Phonetics, grammar, syntax, semantics, language families, and linguistic theory.

Music

Artists, bands, albums, songs, genres, instruments, and music history across decades.

Arts

Visual arts, performance, movements, creators, techniques, and cultural works across eras.

Social Sciences

Anthropology, sociology, psychology, archaeology, and political science topics — human behavior, cultures, social institutions, research methods, and influential studies.

Geography

Countries, capitals, maps, landforms, climate, cities, flags, and world regions.

Mathematics

Arithmetic, algebra, geometry, calculus, probability, number theory, and mathematical reasoning.

Logic

Formal reasoning, propositions, inference, truth tables, logical systems, and argument structure.

Television

TV series, episodes, characters, networks, streaming shows, and television history.

Free quiz builder

Build quizzes from a deep question library and your own custom material.

Start with approved categories, search for exact questions, add your own material, and publish quizzes people can play online.

Start from approved categories or search for exact questions in the shared database.
Add custom questions whenever a quiz needs something specific or local.
Preview the final quiz, play it online, share it by link, and keep export options close at hand.

Get started Quiz Builder

Builder workflow

From category selection to final quiz review

Show the core builder journey here: choose categories, review picks, refine question order, and publish a quiz that is ready to share or play.

Primary surface

Supporting frame

Upgrade to Pro for AI drafting, image questions, private quizzes, and advanced exports.

Pro is for creators who build often and want a faster drafting workflow, richer question formats, and more polished delivery options.

Use AI quiz building and category suggestions to move from idea to a strong first draft faster.
Unlock image questions, private quizzes, and higher-capacity creation workflows.
Export polished quiz assets with advanced PDF and PowerPoint output.

See Pro features Compare plans

Pro workflow

A closer look at Pro creation and delivery tools

Use this area to highlight AI-assisted creation, image-question editing, private quiz settings, and export-ready delivery screens.

Primary surface

Supporting frame

AI quiz builder

Image questions

Advanced exports

API access

Build on the same content foundation through an authenticated API.

The API path is for developers and businesses building quiz apps and workflow integrations on top of QuestionStock content. It delivers content, not gameplay runtime.

Create workspace-scoped API keys and use authenticated `/api/v1/*` access.
Monitor usage and manage configurable limits for production integrations.
Keep gameplay logic, scoring, sessions, timers, and player state in your own app.

Explore API API docs

Developer path

How docs, requests, and usage management fit together

Use this area to show developer docs, request flows, dashboard metrics, and the core integration architecture.

Primary surface

Supporting frame

API keys

Usage metrics

Own runtime

Choose your path

Start with the builder. Add Pro or API access when the work demands it.

The free builder covers the core workflow. Pro adds faster creation and stronger delivery. The Business API is there when you need to build on top of QuestionStock content.

Get started Compare plans API