| Busiest Airports in Europe | 0 | - | 4.91 | 143,282 |
| World's Busiest Airports | 0 | - | 4.94 | 203,686 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,896,020 |
| Countries with the Most Airports | 0 | - | 4.96 | 94,458 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 209,864 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 80,561 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 393,423 |
| Top World Languages | 0 | - | 4.92 | 794,779 |
| Busiest Airports in the United States | 0 | - | 4.53 | 133,741 |
| Places in their Native Language #1 | 0 | - | 4.85 | 236,421 |
| Places in their Native Language #2 | 0 | - | 4.88 | 121,701 |
| Cities by Airports | 0 | - | 4.48 | 86,851 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 131,950 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 120,661 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 114,345 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,374 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,351 |
| Airport Codes Quiz #2 | 0 | - | 4.40 | 94,247 |
| Boundary Waters | 0 | - | 4.92 | 87,269 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 34,233 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,813 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.92 | 59,185 |
| World Currency Quiz | 0 | - | 4.91 | 288,723 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,612 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 218,685 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,234 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 60,377 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 401,772 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 101,118 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 115,719 |
| World Geography on a Map #1 | 0 | - | 4.94 | 72,360 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,594 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,945 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 98,847 |
| World Capitals Quiz | 0 | - | 5.00 | 4,945,515 |
| Sahara Desert Countries | 0 | - | 4.98 | 155,067 |
| Himalayan Countries | 0 | - | 4.95 | 130,547 |
| Andean Countries | 0 | - | 4.94 | 79,659 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,231 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,528 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,673 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,727 |
| Danube Countries | 0 | - | 4.97 | 63,125 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,972 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,098 |
| Countries with the Worst Passports | 0 | - | 4.93 | 79,812 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,349 |
| European Landlocked Countries | 0 | - | 4.99 | 143,930 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,755 |
| Countries with the Most Species | 0 | - | 4.99 | 94,106 |
| Countries 197 to 205 | 0 | - | 4.88 | 67,161 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,659 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,846 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,986 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,761 |
| Countries in the Alps | 0 | - | 4.87 | 114,652 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,230 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,146 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,466 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,092 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,764 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,598 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,820 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,734 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,688 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,450 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,816 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,535 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,328 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,234 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,693 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,629 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,048 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,571 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,653 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 232,712 |
| World Countries - Blind Typing | 0 | - | 5.00 | 101,774 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,684 |
| Largest Countries By Category | 0 | - | 4.97 | 154,628 |
| Countries by Countries | 0 | - | 4.96 | 60,826 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,310 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,624,622 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 54,996 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,900 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,784 |
| Demonyms Quiz | 0 | - | 4.14 | 184,132 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,856 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 202,043 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 125,916 |
| Longest International Borders | 0 | - | 4.99 | 261,077 |
| Countries with Three Borders | 0 | - | 4.96 | 35,546 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 40,821 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 46,622 |
| Demonym of Every Country | 0 | - | 4.91 | 57,175 |
| Pacific Ocean General Knowledge | 0 | - | 4.68 | 36,030 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,539,640 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 367,784 |
| Island Countries Quiz | 0 | - | 4.99 | 702,389 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,021,887 |
| Northernmost Countries | 0 | - | 4.99 | 349,624 |
| Countries of South America | 0 | - | 5.00 | 895,648 |
| Countries of Oceania | 0 | - | 5.00 | 1,016,156 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,802,872 |
| World's Biggest Airlines | 0 | - | 4.43 | 120,355 |
| Airline Logos | 0 | - | 4.45 | 138,362 |
| Analogies of Countries #1 | 0 | - | 4.88 | 67,511 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,005 |
| Countries with Megacities | 0 | - | 4.99 | 227,901 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,265 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,379 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 312,936 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 80,880 |
| Cities by Famous Street | 0 | - | 3.96 | 48,108 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,936 |
| Global Cities on a World Map | 0 | - | 4.93 | 131,806 |
| Northernmost Capital Cities | 0 | - | 4.97 | 106,232 |
| Most Remote Capital Cities | 0 | - | 4.92 | 51,151 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 42,821 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 104,937 |
| Same Letter Country and Capital | 0 | - | 4.99 | 143,528 |
| Countries by Capital City | 0 | - | 5.00 | 63,683 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 74,556 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 112,471 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 81,872 |
| Moved Capital Cities | 0 | - | 4.96 | 72,447 |
| Countries by Official Language | 0 | - | 4.95 | 189,509 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,178 |
| Countries in their Native Language | 0 | - | 4.99 | 193,468 |
| Independence from Whom | 0 | - | 4.99 | 206,016 |
| Subdivisions by Country | 0 | - | 4.86 | 49,524 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,996 |
| Megadiverse Countries | 0 | - | 4.97 | 132,883 |
| Countries With the Most English Speakers | 0 | - | 4.88 | 127,237 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,305 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,729 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,422 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,996 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,235 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,088 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,719 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,864 |
| Countries with Multiple Populous Islands | 0 | - | 4.88 | 93,062 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,246 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,739 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 106,106 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,607 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,750 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,809 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,082 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,328,691 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 104,799 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 104,188 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,521 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,263 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,025 |
| Countries With the Most Languages | 0 | - | 4.89 | 195,834 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,192 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,646 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,866 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,052 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,152 |
| Widest Countries East to West | 0 | - | 4.92 | 127,184 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,864 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,546 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,797 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,547 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,000 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,672 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,715 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,273 |
| Countries with Double Letters | 0 | - | 4.97 | 89,373 |
| Countries that End in N | 0 | - | 4.93 | 152,568 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,036 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,637 |
| Countries with W | 0 | - | 4.97 | 154,994 |
| Countries with Z | 0 | - | 4.98 | 282,990 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,531 |
| Countries That End in U | 0 | - | 4.95 | 117,626 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,792 |
| Countries that End in O | 0 | - | 4.92 | 156,957 |
| Countries that End in R | 0 | - | 4.84 | 101,611 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,926 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,089 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,099 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,094 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,010 |
| Countries That End in Y | 0 | - | 4.91 | 184,051 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,027 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 149,758 |
| Countries that End in I | 0 | - | 4.93 | 118,798 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,823 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,186 |
| Countries That End in NIA | 0 | - | 4.92 | 107,775 |
| Countries That End in BIA | 0 | - | 4.92 | 146,110 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,017 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,092 |
