| Busiest Airports in Europe | 0 | - | 4.91 | 147,234 |
| World's Busiest Airports | 0 | - | 4.96 | 238,019 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,976,532 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,476 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 217,206 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,891 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,422 |
| Top World Languages | 0 | - | 4.92 | 831,382 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,266 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,633 |
| Cities by Airports | 0 | - | 4.48 | 104,163 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 137,043 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 127,105 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,691 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,625 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,151 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,984 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,851 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,144 |
| World Currency Quiz | 0 | - | 4.92 | 307,605 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,988 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,806 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,547 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,214 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,085 |
| Landlocked Countries | 0 | - | 4.99 | 427,327 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,635 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,254 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,177 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,199 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 101,004 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,415 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,956 |
| Himalayan Countries | 0 | - | 4.93 | 140,858 |
| Andean Countries | 0 | - | 4.94 | 85,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,932 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,511 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,478 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,808 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,979 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,463 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,930 |
| European Landlocked Countries | 0 | - | 4.99 | 147,773 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,551 |
| Countries with the Most Species | 0 | - | 4.99 | 103,654 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,651 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,817 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,957 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,930 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,684 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,992 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,357 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,022 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,150 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,059 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,183 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,136 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,000 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,321 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,955 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,934 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,028 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,742 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,519 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,353 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,520 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,103 |
| Countries by Countries | 0 | - | 4.97 | 63,815 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,071 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,133 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,590 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Demonyms Quiz | 0 | - | 4.15 | 185,603 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,659 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,430 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,665 |
| Longest International Borders | 0 | - | 4.99 | 266,011 |
| Countries with Three Borders | 0 | - | 4.96 | 36,834 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,430 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,575 |
| Demonym of Every Country | 0 | - | 4.90 | 61,646 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,407 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,691 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,469 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,068 |
| Island Countries | 0 | - | 4.99 | 713,035 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,277 |
| Northernmost Countries | 0 | - | 4.99 | 364,641 |
| Countries of South America | 0 | - | 5.00 | 934,396 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,675 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,331 |
| "Land" Countries | 0 | - | 4.98 | 339,037 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,410 |
| Airline Logos | 0 | - | 4.45 | 141,581 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,780 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,524 |
| Countries with Megacities | 0 | - | 4.99 | 267,916 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,178 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,351 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,505 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,454 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,190 |
| Cities by Famous Street | 0 | - | 3.96 | 48,390 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,194 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,528 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,567 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,088 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,358 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,452 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,403 |
| Countries by Capital City | 0 | - | 5.00 | 69,643 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,176 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,367 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,969 |
| Moved Capital Cities | 0 | - | 4.96 | 74,740 |
| Countries by Official Language | 0 | - | 4.95 | 196,240 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,971 |
| Countries in their Native Language | 0 | - | 4.99 | 199,971 |
| Independence from Whom | 0 | - | 4.99 | 213,429 |
| Subdivisions by Country | 0 | - | 4.87 | 50,671 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,679 |
| Megadiverse Countries | 0 | - | 4.96 | 149,252 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,147 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,583 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,813 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,262 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,487 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,926 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,297 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,633 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,174 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,801 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,496 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,511 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,222 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,648 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,981 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,383 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,764 |
| World Map Quiz | 0 | - | 4.81 | 65,933 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,825 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,539 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,245 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,717 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,961 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,566 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,674 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,865 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,770 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,957 |
| Widest Countries East to West | 0 | - | 4.92 | 130,863 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,631 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,416 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,568 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,168 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,127 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,622 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,538 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,923 |
| Countries with Double Letters | 0 | - | 4.96 | 97,666 |
| Countries that End in N | 0 | - | 4.95 | 172,661 |
| Countries with Five Letters | 0 | - | 4.96 | 284,693 |
| Countries with Six Letters | 0 | - | 4.94 | 214,990 |
| Countries with W | 0 | - | 4.96 | 161,338 |
| Countries with Z | 0 | - | 4.98 | 293,048 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,700 |
| Countries That End in U | 0 | - | 4.95 | 121,402 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,456 |
| Countries that End in O | 0 | - | 4.92 | 160,381 |
| Countries that End in R | 0 | - | 4.87 | 119,286 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,068 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,178 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,371 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,220 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,843 |
| Countries That End in Y | 0 | - | 4.91 | 186,180 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,356 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,435 |
| Countries that End in I | 0 | - | 4.94 | 135,434 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,325 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,151 |
| Countries That End in NIA | 0 | - | 4.92 | 110,166 |
| Countries That End in BIA | 0 | - | 4.93 | 149,749 |
