About

Kwiz is a growing set of quick knowledge games, new every day and free to play in your browser. Each one takes about two minutes.

• higherPick the bigger one and climb
• priceGuess prices around the world
• windowName the country below the plane
• sortPut five things in order
• lockCrack the 4-digit code in 6 tries
• one starGuess what got the terrible reviews
• stackPile things up without going over

A new set every day

Every game has a new daily round at midnight UTC, the same for everyone, so you can compare scores with friends. Missed a day? Past days are in each game's archive. higher is the exception: your climb is your own, and you can practise as much as you like. See How to play for the rules.

Where the facts come from

• Country figures (population, wealth, life expectancy, forests, CO₂, tourism, internet use and more): World Bank Open Data, licensed CC BY 4.0.
• Big Mac prices: The Economist's Big Mac index.
• Prices of groceries, eating out, drinks, clothes, phone bills, going out and rent: World Bank, International Comparison Program 2021, licensed CC BY 4.0.
• Heights, lengths and areas of mountains, buildings, rivers, lakes and objects in space: public reference figures, checked against Wikidata and Wikipedia. Figures are rounded and some are disputed; if you spot a mistake, tell us.

Pictures and maps

• Views from the plane in window: Sentinel-2 cloudless by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016), licensed CC BY 4.0, drawn on Terrain Tiles elevation data (Mapzen, hosted by AWS) with water from © OpenStreetMap contributors and OpenMapTiles.
• World map: Natural Earth (public domain).
• Flags: flag-icons (MIT licence).
• Typeface: Geist by Vercel (SIL Open Font License).

Privacy

No accounts, no cookies, no tracking. Your progress stays in your browser. The details are on the privacy page.

Contact

Found a wrong fact or a bug? Email hello@kwiz.gg.