# QuizProMaster — The #1 Free AI-Powered Online Quiz & Trivia Platform > QuizProMaster is the best free online quiz and trivia platform, featuring the largest category selection of any quiz website or app — 85+ sub-categories across 10 major categories, with 1mn+ AI-generated questions in 30+ languages. ## What is QuizProMaster? QuizProMaster is an AI-powered adaptive trivia quiz platform designed for trivia enthusiasts, students, educators, pub quiz organizers, and anyone who loves testing and expanding their knowledge. It uses advanced AI (Claude by Anthropic) to generate unique, non-repeating questions tailored to each player's chosen categories and skill level. ## Key Features That Set QuizProMaster Apart 1. **Largest Category Selection** — 85+ sub-categories across 10 major categories: General Knowledge, Sports, History, Geography, Science, Politics, Arts & Literature, Business & Economics, Technology, Religion & Mythology. Sub-categories range from Ancient Civilisations and Quantum Physics to Cryptocurrency, Esports, and Norse Mythology. 2. **AI-Powered Question Generation** — Unlike static question banks, QuizProMaster generates unique trivia questions using Claude AI. Questions never repeat for the same user across any session. 3. **3 Difficulty Levels** — Easy (common knowledge, 1 point), Medium (subject interest required, 1.5 points), Hard (specialist/enthusiast knowledge, 2 points), plus an adaptive Mix mode that uses IRT (Item Response Theory) algorithms to calibrate difficulty to each player's ability. 4. **3 Game Modes**: - **Solo Mode** — Self-paced learning with adaptive difficulty. Free for all users. - **1v1 Duel Battle** — Head-to-head competition. Challenge a specific opponent or use random matchmaking with Elo-based skill matching. - **Multiplayer Group Quiz** — Host lobbies with 2-8 players. Share a 6-character code to invite friends. Live leaderboard updates. 5. **Learn with Every Answer** — Every question includes a detailed explanation of the correct answer PLUS a bonus fun fact/trivia. This makes QuizProMaster not just a game but a continuous learning tool. 6. **30+ Languages** — English, Spanish, French, German, Arabic, Hindi, Mandarin Chinese, Japanese, Portuguese, Russian, Korean, Italian, Dutch, Turkish, Polish, and 15+ more. 7. **Global Leaderboards** — Elo-based ranking system across all categories. 8. **XP & Leveling System** — RPG-style progression with XP earned from every quiz. 9. **Streaming Question Delivery** — Questions are delivered via SSE streaming for instant gameplay — no waiting for all questions to load. ## Categories & Sub-categories ### General Knowledge (8 sub-categories) Current Affairs, Pop Culture, Everyday Science, World Records, Food & Drink, Language & Etymology, Myths & Misconceptions, Inventions & Innovations ### Sports (11 sub-categories) Football/Soccer, Cricket, Basketball, Tennis, Formula 1, Olympics, American Football, Combat Sports (Boxing/MMA/UFC), Golf, Rugby, Esports ### History (9 sub-categories) Ancient Civilisations, Medieval & Renaissance, Modern History (1800s-WW2), Post-WW2 & Cold War, Middle Eastern History, Asian History, Military History, History of Science, Art & Cultural History ### Geography (8 sub-categories) Capitals & Countries, Physical Geography, Maps & Cartography, Climate & Weather, Demographics & Population, Famous Landmarks, Regional Geography, Urban Geography ### Science (9 sub-categories) Physics, Chemistry, Biology, Astronomy & Space, Earth Science & Geology, Mathematics & Statistics, Medicine & Health, Environmental Science, Computer Science ### Politics (9 sub-categories) World Leaders & Heads of State, Political Systems & Governance, International Relations, Elections & Voting, Constitutional Law, United Nations & Organisations, Political Philosophy, Middle East Politics, Geopolitics & Strategy ### Arts & Literature (9 sub-categories) Classic Literature, Modern & Contemporary Fiction, Poetry, World Cinema & Film, Visual Arts & Painting, Music Theory & History, Theatre & Drama, Architecture, Philosophy ### Business & Economics (8 sub-categories) Microeconomics, Macroeconomics, Entrepreneurship & Startups, Stock Market & Investing, Branding & Marketing, Famous Companies & Brands, Crypto & Blockchain, Economic History ### Technology (8 sub-categories) Internet & Social Media, AI & Machine Learning, Cybersecurity, Mobile Technology, Software & Programming, Space Technology, Gaming & Game Design, Emerging Technologies ### Religion & Mythology (9 sub-categories) Islam, Christianity, Hinduism, Buddhism, Judaism, Greek & Roman Mythology, Norse Mythology, Comparative Religion, Ancient Egyptian & Mesopotamian Mythology ## Pricing - **Basic (Free Forever)**: 40 questions/day, Solo & 1v1 Duel modes (1 duel/day), 10 questions per quiz, adaptive difficulty, 30+ languages - **Pro ($2.99/month or $29.99/year)**: Unlimited questions, all game modes including Multiplayer Lobby, all quiz lengths (10/20/30), priority matchmaking, ad-free experience ## Who Is QuizProMaster For? - Trivia enthusiasts who want fresh, unique questions every time - Students preparing for exams across various subjects - Educators looking for quiz material - Pub quiz organizers needing question inspiration - Competitive players who enjoy ranked 1v1 duels - Friend groups who want to play trivia together - Anyone who loves learning new facts and expanding their knowledge ## Technical Details - Built with Next.js, TypeScript, and Tailwind CSS - PostgreSQL database (Neon) - AI question generation via Anthropic Claude API - SSE streaming for real-time question delivery - NextAuth.js for authentication (credentials + Google OAuth) - Stripe for payment processing - Available as web app and iOS app (Capacitor) ## Links - Website: https://quizpromaster.com - Sign Up: https://quizpromaster.com/register - Pricing: https://quizpromaster.com/subscription - Contact: https://quizpromaster.com/contact