| Countries of the World Quiz | 0 | - | 5.00 | 47,372,555 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,671 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,272 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,390 |
| Top World Languages | 0 | - | 4.92 | 820,842 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,703 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,106 |
| World's Busiest Airports | 0 | - | 4.96 | 232,893 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,659 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,255 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,999 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,800 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,317 |
| Boundary Waters | 0 | - | 4.92 | 88,405 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,111 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,977 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,285 |
| World Currency Quiz | 0 | - | 4.91 | 302,297 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,912 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,887 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,099 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,686 |
| Places in their Native Language #2 | 0 | - | 4.79 | 134,089 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,488 |
| Landlocked Countries | 0 | - | 4.99 | 419,460 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,016 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,233 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,771 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,995 |
| Cities by Airports | 0 | - | 4.49 | 88,673 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,525 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,842 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,207 |
| Himalayan Countries | 0 | - | 4.95 | 137,648 |
| Andean Countries | 0 | - | 4.95 | 84,051 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,300 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,797 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,917 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,415 |
| Danube Countries | 0 | - | 4.97 | 71,719 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,113 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,742 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,818 |
| European Landlocked Countries | 0 | - | 4.99 | 146,831 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,205 |
| Countries with the Most Species | 0 | - | 4.99 | 102,979 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,354 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,608 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,346 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,019 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,413 |
| Countries in the Alps | 0 | - | 4.87 | 117,767 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,039 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,195 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,477 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,053 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,161 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,752 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,345 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,002 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,598 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,512 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,253 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,285 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,598 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,617 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,603 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,359 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Largest Countries By Category | 0 | - | 4.97 | 157,738 |
| Countries by Countries | 0 | - | 4.96 | 62,892 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,381 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,076 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,880 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,435 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,763 |
| Demonyms Quiz | 0 | - | 4.15 | 185,103 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,239 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,103 |
| Longest International Borders | 0 | - | 4.99 | 264,748 |
| Countries with Three Borders | 0 | - | 4.96 | 36,474 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,942 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,056 |
| Demonym of Every Country | 0 | - | 4.91 | 59,202 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,443 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,019 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,744 |
| Island Countries | 0 | - | 4.99 | 709,986 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,630 |
| Northernmost Countries | 0 | - | 4.99 | 360,723 |
| Countries of South America | 0 | - | 5.00 | 923,659 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,067 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,197 |
| "Land" Countries | 0 | - | 4.98 | 335,918 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,893 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,965 |
| Airline Logos | 0 | - | 4.45 | 140,609 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,361 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,168 |
| Countries with Megacities | 0 | - | 4.99 | 261,872 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,033 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,078 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,326 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,112 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,097 |
| Cities by Famous Street | 0 | - | 3.96 | 48,311 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,118 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,956 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,041 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,287 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,353 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,053 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,743 |
| Countries by Capital City | 0 | - | 5.00 | 68,035 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,037 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,525 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,030 |
| Moved Capital Cities | 0 | - | 4.96 | 74,103 |
| Countries by Official Language | 0 | - | 4.95 | 194,744 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,670 |
| Countries in their Native Language | 0 | - | 4.99 | 198,281 |
| Independence from Whom | 0 | - | 4.99 | 211,451 |
| Subdivisions by Country | 0 | - | 4.86 | 50,307 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,801 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,620 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,209 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,779 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,031 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,765 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,415 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,049 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,870 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,514 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,006 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,108 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,745 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,022 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,808 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,182 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,355 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,913 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,339 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,083 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,622 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,995 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,715 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,492 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,587 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,730 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,876 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,300 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,331 |
| Widest Countries East to West | 0 | - | 4.92 | 129,419 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,397 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,011 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,012 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,559 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,284 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,605 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,257 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,736 |
| Countries with Double Letters | 0 | - | 4.97 | 95,173 |
| Countries that End in N | 0 | - | 4.95 | 170,163 |
| Countries with Five Letters | 0 | - | 4.96 | 280,770 |
| Countries with Six Letters | 0 | - | 4.94 | 212,602 |
| Countries with W | 0 | - | 4.97 | 159,576 |
| Countries with Z | 0 | - | 4.98 | 289,924 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,814 |
| Countries That End in U | 0 | - | 4.95 | 120,436 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,824 |
| Countries that End in O | 0 | - | 4.92 | 159,226 |
| Countries that End in R | 0 | - | 4.87 | 118,753 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,531 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,427 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,169 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,126 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,716 |
| Countries That End in Y | 0 | - | 4.91 | 185,666 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,322 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,487 |
| Countries that End in I | 0 | - | 4.94 | 134,901 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,169 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,605 |
| Countries That End in NIA | 0 | - | 4.92 | 109,544 |
| Countries That End in BIA | 0 | - | 4.93 | 148,889 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,780 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,108 |
