| Countries of the World Quiz | 0 | - | 5.00 | 43,723,080 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,198 |
| Top World Languages | 0 | - | 4.91 | 759,058 |
| Places in their Native Language #1 | 0 | - | 4.84 | 230,070 |
| Places in their Native Language #2 | 0 | - | 4.89 | 118,267 |
| Busiest Airports in Europe | 0 | - | 4.92 | 139,284 |
| World's Busiest Airports | 0 | - | 4.94 | 197,327 |
| Busiest Air Routes in the World | 0 | - | 4.53 | 36,433 |
| Boundary Waters | 0 | - | 4.93 | 84,630 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,376 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 89,767 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 126,471 |
| Countries with the Most Airports | 0 | - | 4.96 | 88,696 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 113,405 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 105,403 |
| Tourist Route of Europe | 0 | - | 4.23 | 42,243 |
| Countries by Airline Passengers | 0 | - | 4.91 | 51,270 |
| World Currency Quiz | 0 | - | 4.92 | 260,456 |
| Lonely Planet Top 200 Cities | 0 | - | 4.55 | 215,101 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 51,927 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,844 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 58,196 |
| Busiest Airports in the United States | 0 | - | 4.56 | 131,008 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,295 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,082 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,149 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,961 |
| Himalayan Countries | 0 | - | 4.95 | 118,978 |
| Andean Countries | 0 | - | 4.92 | 66,693 |
| Countries with the Oldest Median Age | 0 | - | 4.80 | 67,770 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,267 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,617 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,302 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,979 |
| Danube Countries | 0 | - | 4.97 | 59,949 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,668 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,995 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,524 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,228 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,781 |
| European Landlocked Countries | 0 | - | 4.99 | 139,890 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,527 |
| Countries with the Most Species | 0 | - | 4.99 | 91,770 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,981 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,332 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,455 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,839 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,965 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,397 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,850 |
| Countries in the Alps | 0 | - | 4.86 | 109,089 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,809 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,040 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,729 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,643 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,624 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,180 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,101 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,129 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,440 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,058 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,185 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,771 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,441 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,147 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,793 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,240 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,215 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,153 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,408 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,920 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,490 |
| Largest Countries By Category | 0 | - | 4.97 | 150,135 |
| Countries by Countries | 0 | - | 4.96 | 57,806 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,967 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,864 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 109,480 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 139,854 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,089 |
| Who Controls It? #1 | 0 | - | 4.82 | 46,879 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 187,648 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 113,844 |
| Longest International Borders | 0 | - | 4.99 | 242,273 |
| Countries with Three Borders | 0 | - | 4.96 | 33,777 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 38,777 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 43,808 |
| Demonym of Every Country | 0 | - | 4.91 | 54,236 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.35 | 96,085 |
| World Capitals Quiz | 0 | - | 5.00 | 4,757,964 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 79,497 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,341,364 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,416,629 |
| Demonyms Quiz | 0 | - | 4.12 | 182,307 |
| Pacific Ocean General Knowledge | 0 | - | 4.65 | 35,474 |
| Cities by Airports | 0 | - | 4.50 | 84,839 |
| U.S. National Parks Map Quiz | 0 | - | 4.47 | 53,101 |
| Airport Codes Quiz #1 | 0 | - | 4.80 | 201,122 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,473,031 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,133 |
| Island Countries Quiz | 0 | - | 4.99 | 686,129 |
| Biggest Countries by Area | 0 | - | 5.00 | 980,742 |
| Northernmost Countries | 0 | - | 4.99 | 340,182 |
| Countries of South America | 0 | - | 5.00 | 850,664 |
| Countries of Oceania | 0 | - | 5.00 | 961,511 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,702,239 |
| Analogies of Countries #1 | 0 | - | 4.87 | 65,718 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,438 |
| World Map Divided into Regions | 0 | - | 4.18 | 38,478 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,711 |
| Countries with Megacities | 0 | - | 4.99 | 214,757 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,445 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,044 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,599 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,791 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,502 |
| Cities by Tourist Attraction #1 | 0 | - | 3.60 | 80,527 |
| Cities by Famous Street | 0 | - | 3.96 | 47,821 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,654 |
| Global Cities on a World Map | 0 | - | 4.94 | 96,512 |
| Northernmost Capital Cities | 0 | - | 4.98 | 101,046 |
| Most Remote Capital Cities | 0 | - | 4.90 | 47,920 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,088 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 99,008 |
| Same Letter Country and Capital | 0 | - | 4.99 | 136,599 |
| Countries by Capital City | 0 | - | 5.00 | 57,360 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 70,755 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,230 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,151 |
| Moved Capital Cities | 0 | - | 4.95 | 70,026 |
| Countries by Official Language | 0 | - | 4.95 | 182,300 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,585 |
| Countries in their Native Language | 0 | - | 4.98 | 187,240 |
| Independence from Whom | 0 | - | 4.99 | 197,679 |
| Subdivisions by Country | 0 | - | 4.86 | 48,203 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,057 |
| Megadiverse Countries | 0 | - | 4.96 | 129,925 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,263 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,207 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,113 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,129 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,046 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,396 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,633 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,125 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,111 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,202 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,372 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,733 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,623 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,003 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,229,985 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,885 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,752 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,538 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,052 |
| Countries With the Most Languages | 0 | - | 4.88 | 187,015 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,838 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,598 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,277 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,725 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,863 |
| Widest Countries East to West | 0 | - | 4.92 | 123,767 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,952 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,357 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,082 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,627 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,219 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,601 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,794 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,338 |
| Countries with Double Letters | 0 | - | 4.96 | 80,285 |
| Countries that End in N | 0 | - | 4.93 | 144,422 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,360 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,644 |
| Countries with W | 0 | - | 4.97 | 132,047 |
| Countries with Z | 0 | - | 4.98 | 273,791 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,304 |
| Countries That End in U | 0 | - | 4.95 | 113,390 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,867 |
| Countries that End in O | 0 | - | 4.92 | 153,034 |
| Countries that End in R | 0 | - | 4.84 | 99,465 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,471 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,441 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,364 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,125 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,654 |
| Countries That End in Y | 0 | - | 4.91 | 181,239 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,862 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,621 |
| Countries that End in I | 0 | - | 4.92 | 117,035 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,279 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,561 |
| Countries That End in NIA | 0 | - | 4.92 | 104,584 |
| Countries That End in BIA | 0 | - | 4.92 | 141,641 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,144 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,033 |
| Countries That End in RIA | 0 | - | 4.89 | 104,906 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,128 |
