| Busiest Airports in Europe | 0 | - | 4.91 | 146,080 |
| World's Busiest Airports | 0 | - | 4.96 | 232,738 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,354,136 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,631 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,746 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,251 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,252 |
| Top World Languages | 0 | - | 4.92 | 820,551 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,466 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,628 |
| Cities by Airports | 0 | - | 4.49 | 88,660 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,631 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,210 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,914 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,302 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,884 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 96,934 |
| Boundary Waters | 0 | - | 4.92 | 88,392 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,946 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,251 |
| World Currency Quiz | 0 | - | 4.91 | 302,162 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,912 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,867 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,090 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,678 |
| Places in their Native Language #2 | 0 | - | 4.79 | 133,983 |
| Landlocked Countries | 0 | - | 4.99 | 419,231 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,008 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,202 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,514 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,713 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,960 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,509 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,426 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,117 |
| Himalayan Countries | 0 | - | 4.95 | 137,539 |
| Andean Countries | 0 | - | 4.95 | 83,999 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,266 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,740 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,887 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,388 |
| Danube Countries | 0 | - | 4.97 | 71,698 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,605 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,087 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,704 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,778 |
| European Landlocked Countries | 0 | - | 4.99 | 146,806 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,170 |
| Countries with the Most Species | 0 | - | 4.99 | 102,944 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,316 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,437 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,328 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,005 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,390 |
| Countries in the Alps | 0 | - | 4.87 | 117,734 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,025 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,167 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,425 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,439 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,025 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,136 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,736 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,312 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,214 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,981 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,579 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,502 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,351 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,953 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,211 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,236 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,246 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,084 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,561 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,507 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,287 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,015 |
| Largest Countries By Category | 0 | - | 4.97 | 157,683 |
| Countries by Countries | 0 | - | 4.96 | 62,863 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,171 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,351 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,536 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,861 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,401 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,752 |
| Demonyms Quiz | 0 | - | 4.15 | 185,090 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,398 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,152 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,090 |
| Longest International Borders | 0 | - | 4.99 | 264,708 |
| Countries with Three Borders | 0 | - | 4.96 | 36,466 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,928 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,033 |
| Demonym of Every Country | 0 | - | 4.91 | 59,177 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,288 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,232 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,524 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,678 |
| Island Countries | 0 | - | 4.99 | 709,880 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,366 |
| Northernmost Countries | 0 | - | 4.99 | 360,606 |
| Countries of South America | 0 | - | 5.00 | 923,259 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,629 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,210 |
| "Land" Countries | 0 | - | 4.98 | 335,859 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,921 |
| Airline Logos | 0 | - | 4.45 | 140,583 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,356 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,111 |
| Countries with Megacities | 0 | - | 4.99 | 261,221 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,968 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,042 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,245 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,060 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,096 |
| Cities by Famous Street | 0 | - | 3.96 | 48,308 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,116 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,913 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,012 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,271 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,314 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,019 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,702 |
| Countries by Capital City | 0 | - | 5.00 | 67,989 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,008 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,496 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,007 |
| Moved Capital Cities | 0 | - | 4.96 | 74,080 |
| Countries by Official Language | 0 | - | 4.95 | 194,685 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,604 |
| Countries in their Native Language | 0 | - | 4.99 | 198,237 |
| Independence from Whom | 0 | - | 4.99 | 211,383 |
| Subdivisions by Country | 0 | - | 4.86 | 50,298 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,763 |
| Megadiverse Countries | 0 | - | 4.96 | 134,788 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,580 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,201 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,765 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,027 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,737 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,398 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,016 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,861 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,505 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,999 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,042 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,731 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,008 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,794 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,168 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,337 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,308 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,269 |
| World Map Quiz | 0 | - | 4.81 | 64,626 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,062 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,563 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,961 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,677 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,406 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,549 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,704 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,855 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,285 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,311 |
| Widest Countries East to West | 0 | - | 4.92 | 129,398 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,388 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,985 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,001 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,534 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,252 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,575 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,247 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,732 |
| Countries with Double Letters | 0 | - | 4.97 | 95,139 |
| Countries that End in N | 0 | - | 4.95 | 170,081 |
| Countries with Five Letters | 0 | - | 4.96 | 280,507 |
| Countries with Six Letters | 0 | - | 4.94 | 212,538 |
| Countries with W | 0 | - | 4.97 | 159,547 |
| Countries with Z | 0 | - | 4.98 | 289,875 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,792 |
| Countries That End in U | 0 | - | 4.95 | 120,425 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,792 |
| Countries that End in O | 0 | - | 4.92 | 159,216 |
| Countries that End in R | 0 | - | 4.87 | 118,746 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,523 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,385 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,145 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,102 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,692 |
| Countries That End in Y | 0 | - | 4.91 | 185,656 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,271 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,462 |
| Countries that End in I | 0 | - | 4.94 | 134,883 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,124 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,588 |
| Countries That End in NIA | 0 | - | 4.92 | 109,530 |
| Countries That End in BIA | 0 | - | 4.93 | 148,869 |
