| Europe's Busiest Airports | 0 | - | 4.92 | 134,079 |
| World's Busiest Airports | 0 | - | 4.94 | 190,394 |
| Countries with the Most Airports | 0 | - | 4.96 | 82,005 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,481,901 |
| Airport Codes Quiz #1 | 0 | - | 4.79 | 191,635 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,114 |
| Top World Languages | 0 | - | 4.92 | 718,165 |
| Busiest Airports in the United States | 0 | - | 4.57 | 127,639 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 83,684 |
| Places in their Native Language #1 | 0 | - | 4.86 | 212,456 |
| Places in their Native Language #2 | 0 | - | 4.88 | 113,981 |
| Cities by Airports | 0 | - | 4.51 | 81,692 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 116,799 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 105,231 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 94,850 |
| Busiest Air Routes in the World | 0 | - | 4.52 | 35,465 |
| Airports Named for People #1 | 0 | - | 4.45 | 53,465 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,549 |
| World Currency Quiz | 0 | - | 4.92 | 249,728 |
| Boundary Waters | 0 | - | 4.93 | 81,631 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,937 |
| Lonely Planet Top 200 Cities | 0 | - | 4.58 | 210,843 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,281 |
| Largest Countries with Little Tourism | 0 | - | 4.71 | 55,403 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,015 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,402 |
| Tourist Route of Europe | 0 | - | 4.22 | 41,854 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,635 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,037 |
| U.S. National Parks Map Quiz | 0 | - | 4.51 | 51,954 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,985 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,969 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,992 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.34 | 93,038 |
| World Capitals Quiz | 0 | - | 5.00 | 4,546,735 |
| Members of the Arab League | 0 | - | 4.85 | 65,021 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,253 |
| Himalayan Countries | 0 | - | 4.94 | 107,231 |
| Andean Countries | 0 | - | 4.91 | 59,650 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,726 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,426 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,804 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,625 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,943 |
| Danube Countries | 0 | - | 4.96 | 57,050 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,068 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,155 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,230 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,075 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,366 |
| European Landlocked Countries | 0 | - | 4.99 | 136,724 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,476 |
| Countries with the Most Species | 0 | - | 4.99 | 89,754 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,976 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,912 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,212 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,797 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,727 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,988 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,649 |
| Countries in the Alps | 0 | - | 4.84 | 103,466 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.25 | 77,214 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,086 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,674 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,051 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,118 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,619 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,084 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,244 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,572 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,577 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,172 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,927 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,877 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,909 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,289 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,444 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,717 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,746 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,834 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,232 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,480 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,654 |
| Largest Countries By Category | 0 | - | 4.97 | 145,963 |
| Countries by Countries | 0 | - | 4.96 | 55,284 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,137,865 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,134 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,203,430 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,503 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,582 |
| Demonyms Quiz | 0 | - | 4.12 | 179,432 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,732 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,534 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,620 |
| Longest International Borders | 0 | - | 4.99 | 235,835 |
| Countries with Three Borders | 0 | - | 4.96 | 31,896 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,523 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,975 |
| Demonym of Every Country | 0 | - | 4.90 | 50,391 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,399,492 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,499 |
| Island Countries Quiz | 0 | - | 4.99 | 665,930 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,359 |
| Northernmost Countries | 0 | - | 4.99 | 329,896 |
| Countries of South America | 0 | - | 5.00 | 804,383 |
| Countries of Oceania | 0 | - | 5.00 | 906,583 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,598,000 |
| Airline Logos | 0 | - | 4.43 | 129,218 |
| Europe Map Quiz | 0 | - | 5.00 | 4,333,230 |
| Foods of the World Quiz | 0 | - | 4.19 | 44,451 |
| Analogies of Countries #1 | 0 | - | 4.88 | 63,205 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,436 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,728 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,158 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,014 |
| Countries with Megacities | 0 | - | 4.99 | 200,371 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,875 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,229 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,245 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,044 |
| Cities by Tourist Attraction #1 | 0 | - | 3.64 | 80,118 |
| Cities by Famous Street | 0 | - | 3.99 | 47,465 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,514 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,290 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,445 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,181 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,369 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,084 |
| Countries by Capital City | 0 | - | 4.99 | 50,740 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,715 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,808 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,916 |
| Moved Capital Cities | 0 | - | 4.96 | 67,660 |
| Countries by Official Language | 0 | - | 4.96 | 174,468 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,750 |
| Countries in their Native Language | 0 | - | 4.98 | 179,617 |
| Independence from Whom | 0 | - | 4.99 | 187,977 |
| Subdivisions by Country | 0 | - | 4.82 | 46,750 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,883 |
| Megadiverse Countries | 0 | - | 4.96 | 126,272 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,768 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,263 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,678 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,554 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,052 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,786 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,471 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,721 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,638 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,030 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,679 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,206 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,118 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,759 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,099,268 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,893 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,319 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,891 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,121 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,360 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,279 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,349 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,635 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,706 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,728 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,206 |
| Widest Countries East to West | 0 | - | 4.93 | 120,172 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,030 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,012 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,506 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,075 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,284 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,209 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,870 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,682 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,291 |
| Airlines by Country | 0 | - | 4.52 | 126,396 |
| Countries with Double Letters | 0 | - | 4.96 | 70,821 |
| Countries that End in N | 0 | - | 4.94 | 135,037 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,394 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,559 |
| Countries with W | 0 | - | 4.96 | 124,887 |
| Countries with Z | 0 | - | 4.98 | 261,633 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,862 |
| Countries That End in U | 0 | - | 4.95 | 108,856 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,537 |
| Countries that End in O | 0 | - | 4.92 | 148,234 |
| Countries that End in R | 0 | - | 4.85 | 97,083 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,822 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,148 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,152 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,295 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,239 |
| Countries That End in Y | 0 | - | 4.90 | 162,141 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,310 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 121,932 |
