The Knowledge Gaming Suite
Go deeper than
trivia.
Five interconnected knowledge games that reward genuine curiosity — map the world, chase rabbit holes, duel friends, track the news, and forecast the future.
Our Games
Five Essential Knowledge Games
Each app earns Curiosity Coins and contributes to your Knowledge IQ — the cross-suite measure of intellectual range.
GEOBRAIN
Claim the world, one question at a time
Answer 5 daily geography questions. Correct answers paint your personal world map. Build streaks, unlock achievements, and share your territory.
RABBITHOLE
Follow the knowledge wherever it leads
AI-generated question chains connect surprising topics across Wikipedia. From Marie Curie to the Manhattan Project to nuclear power today.
TRIVIADUEL
Challenge anyone, anywhere, anytime
Create an async duel, share the link, and see who scores higher. Elo ratings track your competitive standing across all categories.
TRENDTRACKER
How well do you know what's happening?
Daily questions from BBC, Reuters, AP, and The Guardian. Track your News IQ across politics, science, culture, and more.
ORACLE'S TRIAL
Test your forecasting calibration
Submit probability estimates on real-world questions. Your Prophet Score measures calibration using the Brier scoring method — the same tool used by professional forecasters.
KNOWLEDGE IQ
Your intellectual fingerprint
Play all five apps to build your Knowledge IQ — a composite score that measures breadth across geography, current events, trivia, forecasting, and deep research.
Earn While You Learn
Curiosity Coins
Every correct answer, completed chain, and maintained streak earns Curiosity Coins — the in-app currency that unlocks themes, category packs, and custom chain topics. Coins are never purchasable; they can only be earned through play.
Trusted By Curious Minds
Ready to Go Deeper?
Join thousands of curious minds expanding their knowledge daily across five interconnected games.
Get Started Now — Free