| Busiest Airports in Europe | 0 | - | 4.91 | 145,670 |
| World's Busiest Airports | 0 | - | 4.96 | 228,658 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,051 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 214,117 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,162,945 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,927 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,773 |
| Top World Languages | 0 | - | 4.92 | 817,309 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,206 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,185 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,307 |
| Cities by Airports | 0 | - | 4.49 | 88,508 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,150 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,604 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,086 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,807 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,291 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,512 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,974 |
| World Currency Quiz | 0 | - | 4.92 | 300,528 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,170 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 96,655 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,339 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,895 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,643 |
| Orthodox Countries | 0 | - | 4.92 | 130,930 |
| Battle to Country | 0 | - | 4.91 | 52,907 |
| Monarchies of Europe | 0 | - | 4.90 | 97,700 |
| Monarchies of Asia | 0 | - | 4.97 | 70,829 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,627 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,831 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,094 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,883 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,611 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,958 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,501 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,772 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,077 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,318 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,110 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,943 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,911 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,074 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,766 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,451 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,459 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,637 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,491 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,685 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,850 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 688,448 |
| Boundary Waters | 0 | - | 4.92 | 88,231 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,651 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,350 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,470 |
| Landlocked Countries | 0 | - | 4.99 | 416,644 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,477 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,900 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,519 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,789 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,411 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,792 |
| Airports Named for People #2 | 0 | - | 4.23 | 15,382 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,367 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,343 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,532 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,351 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,439 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,404 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,513 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,930 |
| Himalayan Countries | 0 | - | 4.95 | 136,496 |
| Andean Countries | 0 | - | 4.95 | 83,489 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,750 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,995 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,419 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,025 |
| Countries in World War I | 0 | - | 4.88 | 227,415 |
| Danube Countries | 0 | - | 4.97 | 71,430 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,212 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,848 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,152 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,119 |
| European Landlocked Countries | 0 | - | 4.99 | 146,128 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,760 |
| Countries with the Most Species | 0 | - | 4.99 | 101,513 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,269 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,897 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,158 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,190 |
| Countries in the Alps | 0 | - | 4.86 | 117,324 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,935 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,901 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,890 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,740 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,820 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,254 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,982 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,993 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,802 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,328 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,365 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,728 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,994 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,002 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,711 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,895 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 43,581 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,002 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,564 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,826 |
| Hindu Countries | 0 | - | 4.86 | 49,823 |
| Largest Countries By Category | 0 | - | 4.97 | 157,253 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,870 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,079 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,533 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,256 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,637 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,383 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,065 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,635 |
| Demonyms Quiz | 0 | - | 4.15 | 184,991 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,460 |
| Airline Logos | 0 | - | 4.45 | 140,287 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,244 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,844 |
| Longest International Borders | 0 | - | 4.99 | 264,298 |
| Countries with Three Borders | 0 | - | 4.96 | 36,345 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,778 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,872 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,158 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,219 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,081 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,693 |
| Demonym of Every Country | 0 | - | 4.91 | 58,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,844 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,807 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,827 |
| Island Countries | 0 | - | 4.99 | 708,807 |
| Catholic Countries | 0 | - | 4.78 | 214,099 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,431 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,326 |
| Northernmost Countries | 0 | - | 4.99 | 359,376 |
| Companies by Country | 0 | - | 4.61 | 119,006 |
| Airlines by Country | 0 | - | 4.52 | 135,056 |
| Countries of South America | 0 | - | 5.00 | 919,669 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,656 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,709 |
| "Land" Countries | 0 | - | 4.98 | 334,599 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,788 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,944 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,346 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,133 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,828 |
| All Country Flags of the World | 0 | - | 5.00 | 3,629,990 |
| Foods of the World by Description | 0 | - | 4.18 | 45,977 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,850 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,014 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,155 |
| Biblical Geography | 0 | - | 4.40 | 67,083 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,263 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,856 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,920 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,838 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,271 |
| Countries with Megacities | 0 | - | 4.99 | 248,934 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,122 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,542 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,482 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,498 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,507 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,008 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,286 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,062 |
| Cities by Famous Street | 0 | - | 3.96 | 48,283 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,096 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,295 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,594 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,051 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,052 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,315 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,167 |
| Countries by Capital City | 0 | - | 5.00 | 67,471 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,741 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,244 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,714 |
