| Countries of the World Quiz | 0 | - | 5.00 | 47,067,993 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,725 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,855 |
| Top World Languages | 0 | - | 4.92 | 815,635 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,858 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,180 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,217 |
| World's Busiest Airports | 0 | - | 4.95 | 215,951 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,606 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,591 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,304 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,662 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,670 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,055 |
| Airline Logos | 0 | - | 4.45 | 140,161 |
| Boundary Waters | 0 | - | 4.92 | 88,139 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,901 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,515 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,846 |
| World Currency Quiz | 0 | - | 4.92 | 299,709 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,818 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,442 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,881 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,397 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,946 |
| Landlocked Countries | 0 | - | 4.99 | 415,493 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,721 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,739 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,300 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,118 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,378 |
| Cities by Airports | 0 | - | 4.49 | 88,407 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,260 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,467 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,353 |
| Himalayan Countries | 0 | - | 4.95 | 136,017 |
| Andean Countries | 0 | - | 4.94 | 83,189 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,513 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,656 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,199 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,848 |
| Danube Countries | 0 | - | 4.97 | 71,277 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,015 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,719 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,892 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,836 |
| European Landlocked Countries | 0 | - | 4.99 | 145,980 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,550 |
| Countries with the Most Species | 0 | - | 4.99 | 95,353 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,674 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,272 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,446 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,074 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,723 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,088 |
| Countries in the Alps | 0 | - | 4.86 | 117,143 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,884 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,768 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,618 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,166 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,601 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,398 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,152 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,817 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,906 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,704 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,215 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,279 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,146 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,628 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,889 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,490 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,803 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,051 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,335 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,235 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,738 |
| Largest Countries By Category | 0 | - | 4.97 | 157,051 |
| Countries by Countries | 0 | - | 4.96 | 62,456 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,030 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,959 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,731,926 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,759 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,902 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,555 |
| Demonyms Quiz | 0 | - | 4.15 | 184,929 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 96,467 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,288 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,939 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,767 |
| Longest International Borders | 0 | - | 4.99 | 264,134 |
| Countries with Three Borders | 0 | - | 4.96 | 36,293 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,713 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,801 |
| Demonym of Every Country | 0 | - | 4.91 | 58,812 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,235 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,931 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,172 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,853 |
| Island Countries | 0 | - | 4.99 | 708,373 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,887 |
| Northernmost Countries | 0 | - | 4.99 | 358,770 |
| Countries of South America | 0 | - | 5.00 | 918,048 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,463 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,785 |
| "Land" Countries | 0 | - | 4.98 | 334,127 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,745 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,208 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,231 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,937 |
| Countries with Megacities | 0 | - | 4.99 | 248,275 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,377 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,227 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,309 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,046 |
| Cities by Famous Street | 0 | - | 3.96 | 48,267 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,086 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,223 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,373 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,940 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,904 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,093 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,939 |
| Countries by Capital City | 0 | - | 5.00 | 67,187 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,584 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,120 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,578 |
| Moved Capital Cities | 0 | - | 4.96 | 73,785 |
| Countries by Official Language | 0 | - | 4.95 | 193,212 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,767 |
| Countries in their Native Language | 0 | - | 4.99 | 197,043 |
| Independence from Whom | 0 | - | 4.99 | 210,188 |
| Subdivisions by Country | 0 | - | 4.86 | 50,153 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,084 |
| Megadiverse Countries | 0 | - | 4.96 | 134,469 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,217 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,023 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,552 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,911 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,896 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,138 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,357 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,460 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,307 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,788 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,959 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,527 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,631 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,593 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,802 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,128 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,466 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,177 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,600 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,807 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,537 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,263 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,373 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,129 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,324 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,519 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,088 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,540 |
| Widest Countries East to West | 0 | - | 4.92 | 129,041 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,288 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,507 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,660 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,874 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,850 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,243 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,762 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,646 |
| Countries with Double Letters | 0 | - | 4.96 | 93,720 |
| Countries that End in N | 0 | - | 4.94 | 157,163 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,068 |
| Countries with Six Letters | 0 | - | 4.93 | 210,737 |
| Countries with W | 0 | - | 4.97 | 158,436 |
| Countries with Z | 0 | - | 4.98 | 288,279 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,782 |
| Countries That End in U | 0 | - | 4.95 | 119,625 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,902 |
| Countries that End in O | 0 | - | 4.92 | 158,669 |
| Countries that End in R | 0 | - | 4.87 | 118,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,446 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,578 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,671 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,218 |
| Countries That End in Y | 0 | - | 4.90 | 185,299 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,640 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,924 |
| Countries that End in I | 0 | - | 4.94 | 134,553 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,506 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,314 |
| Countries That End in NIA | 0 | - | 4.92 | 109,136 |
| Countries That End in BIA | 0 | - | 4.92 | 147,870 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,280 |
