| Countries of the World Quiz | 0 | - | 5.00 | 47,285,193 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,175 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,741 |
| Top World Languages | 0 | - | 4.92 | 819,403 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,403 |
| Places in their Native Language #2 | 0 | - | 4.81 | 133,437 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,963 |
| World's Busiest Airports | 0 | - | 4.96 | 231,925 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,844 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,475 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,459 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,983 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,626 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,562 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,268 |
| Boundary Waters | 0 | - | 4.92 | 88,347 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,849 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,153 |
| World Currency Quiz | 0 | - | 4.91 | 301,571 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,893 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,780 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,048 |
| Largest Countries with Little Tourism | 0 | - | 4.69 | 61,625 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,382 |
| Landlocked Countries | 0 | - | 4.99 | 418,191 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,933 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,103 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,472 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,564 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,795 |
| Cities by Airports | 0 | - | 4.49 | 88,610 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,450 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,696 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,614 |
| Himalayan Countries | 0 | - | 4.94 | 137,101 |
| Andean Countries | 0 | - | 4.95 | 83,768 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,012 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,391 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,688 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,251 |
| Danube Countries | 0 | - | 4.97 | 71,579 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,440 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,516 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,571 |
| European Landlocked Countries | 0 | - | 4.99 | 146,686 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,021 |
| Countries with the Most Species | 0 | - | 4.99 | 102,802 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,154 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,399 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,929 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,309 |
| Countries in the Alps | 0 | - | 4.87 | 117,583 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,985 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,060 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,240 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,367 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,907 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,020 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,184 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,126 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,927 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,491 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,871 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,133 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,158 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,034 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,007 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,533 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,423 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,976 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,057 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,942 |
| Largest Countries By Category | 0 | - | 4.97 | 157,530 |
| Countries by Countries | 0 | - | 4.96 | 62,774 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,136 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,256 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,495 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,307 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,712 |
| Demonyms Quiz | 0 | - | 4.15 | 185,057 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,919 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,027 |
| Longest International Borders | 0 | - | 4.99 | 264,549 |
| Countries with Three Borders | 0 | - | 4.96 | 36,420 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,877 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,967 |
| Demonym of Every Country | 0 | - | 4.91 | 59,092 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,275 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,326 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,551 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,403 |
| Island Countries | 0 | - | 4.99 | 709,445 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,269 |
| Northernmost Countries | 0 | - | 4.99 | 360,164 |
| Countries of South America | 0 | - | 5.00 | 922,046 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,909 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,307 |
| "Land" Countries | 0 | - | 4.98 | 335,622 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,862 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,752 |
| Airline Logos | 0 | - | 4.45 | 140,478 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,319 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,764 |
| Countries with Megacities | 0 | - | 4.99 | 249,950 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,614 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,843 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,921 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,083 |
| Cities by Famous Street | 0 | - | 3.96 | 48,301 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,106 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,756 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,853 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,194 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,211 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,856 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,476 |
| Countries by Capital City | 0 | - | 5.00 | 67,817 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,907 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,406 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,902 |
| Moved Capital Cities | 0 | - | 4.96 | 74,000 |
| Countries by Official Language | 0 | - | 4.95 | 194,503 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,349 |
| Countries in their Native Language | 0 | - | 4.99 | 198,069 |
| Independence from Whom | 0 | - | 4.99 | 211,176 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,593 |
| Megadiverse Countries | 0 | - | 4.96 | 134,718 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,189 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,716 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,997 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,637 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,330 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,868 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,788 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,455 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,951 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,774 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,671 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,928 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,744 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,087 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,286 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,120 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,997 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,961 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,365 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,855 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,570 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,133 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,449 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,628 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,770 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,226 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,226 |
| Widest Countries East to West | 0 | - | 4.92 | 129,313 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,880 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,976 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,466 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,147 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,485 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,209 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,713 |
| Countries with Double Letters | 0 | - | 4.97 | 94,969 |
| Countries that End in N | 0 | - | 4.95 | 169,687 |
| Countries with Five Letters | 0 | - | 4.96 | 279,125 |
| Countries with Six Letters | 0 | - | 4.94 | 212,321 |
| Countries with W | 0 | - | 4.97 | 159,420 |
| Countries with Z | 0 | - | 4.98 | 289,653 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,633 |
| Countries That End in U | 0 | - | 4.95 | 120,362 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,655 |
| Countries that End in O | 0 | - | 4.92 | 159,157 |
| Countries that End in R | 0 | - | 4.87 | 118,692 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,475 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,201 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,034 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,039 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,619 |
| Countries That End in Y | 0 | - | 4.90 | 185,609 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,138 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,342 |
| Countries that End in I | 0 | - | 4.94 | 134,831 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,988 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,541 |
| Countries That End in NIA | 0 | - | 4.92 | 109,468 |
| Countries That End in BIA | 0 | - | 4.93 | 148,782 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,641 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,996 |
