| Countries of the World Quiz | 0 | - | 5.00 | 47,912,748 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,832 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,944 |
| Top World Languages | 0 | - | 4.92 | 830,368 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,455 |
| Busiest Airports in Europe | 0 | - | 4.91 | 147,103 |
| World's Busiest Airports | 0 | - | 4.96 | 237,549 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,594 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,748 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,901 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,283 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,928 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,388 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 216,834 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,979 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,057 |
| World Currency Quiz | 0 | - | 4.92 | 307,040 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,738 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,515 |
| Landlocked Countries | 0 | - | 4.99 | 426,409 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,154 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,008 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,180 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,949 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,046 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,071 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,494 |
| Himalayan Countries | 0 | - | 4.93 | 140,441 |
| Andean Countries | 0 | - | 4.94 | 85,583 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,729 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,179 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,290 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,532 |
| Danube Countries | 0 | - | 4.97 | 72,457 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,670 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,891 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,239 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,715 |
| European Landlocked Countries | 0 | - | 4.99 | 147,654 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,375 |
| Countries with the Most Species | 0 | - | 4.99 | 103,598 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,486 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,871 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,611 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,058 |
| Countries in the Alps | 0 | - | 4.87 | 118,841 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,755 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,973 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,999 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,078 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,019 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,306 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,463 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,908 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,457 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,223 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,907 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,773 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,597 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,840 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,934 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,959 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,652 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,221 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,730 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,904 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,268 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,545 |
| Largest Countries By Category | 0 | - | 4.97 | 158,940 |
| Countries by Countries | 0 | - | 4.96 | 63,697 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,421 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,139 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,576 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,139 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,509 |
| Western Europe Map Quiz | 0 | - | 4.85 | 94,005 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,628 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,215 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,595 |
| Longest International Borders | 0 | - | 4.99 | 265,880 |
| Countries with Three Borders | 0 | - | 4.96 | 36,796 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,380 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,513 |
| Demonym of Every Country | 0 | - | 4.90 | 61,537 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,960 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,939 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,319 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,290 |
| Demonyms Quiz | 0 | - | 4.15 | 185,561 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,398 |
| Cities by Airports | 0 | - | 4.48 | 104,084 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,115 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,892 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,521 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,820 |
| Island Countries | 0 | - | 4.99 | 712,720 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,249 |
| Northernmost Countries | 0 | - | 4.99 | 364,232 |
| Countries of South America | 0 | - | 5.00 | 933,283 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,272 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,699 |
| "Land" Countries | 0 | - | 4.98 | 338,514 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,745 |
| Globe Grid | 0 | - | 4.32 | 32,039 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,186 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,292 |
| Countries with Megacities | 0 | - | 4.99 | 267,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,962 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,213 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,283 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,320 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,187 |
| Cities by Famous Street | 0 | - | 3.96 | 48,382 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,186 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,380 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,427 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,016 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,299 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,221 |
| Countries by Capital City | 0 | - | 5.00 | 69,480 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,913 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,273 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,865 |
| Moved Capital Cities | 0 | - | 4.96 | 74,684 |
| Countries by Official Language | 0 | - | 4.95 | 196,093 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,751 |
| Countries in their Native Language | 0 | - | 4.99 | 199,821 |
| Independence from Whom | 0 | - | 4.99 | 213,191 |
| Subdivisions by Country | 0 | - | 4.87 | 50,638 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,544 |
| Megadiverse Countries | 0 | - | 4.96 | 141,452 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,017 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,552 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,741 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,234 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,336 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,881 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,168 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,587 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,107 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,271 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,623 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,418 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,462 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,170 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,600 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,905 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,992 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,490 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,748 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,356 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,145 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,607 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,701 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,479 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,593 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,786 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,716 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,828 |
| Widest Countries East to West | 0 | - | 4.92 | 130,771 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,612 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,294 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,532 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,091 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,028 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,518 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,515 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,904 |
| Countries with Double Letters | 0 | - | 4.96 | 97,198 |
| Countries that End in N | 0 | - | 4.95 | 172,189 |
| Countries with Five Letters | 0 | - | 4.96 | 284,141 |
| Countries with Six Letters | 0 | - | 4.94 | 214,608 |
| Countries with W | 0 | - | 4.96 | 161,036 |
| Countries with Z | 0 | - | 4.98 | 292,576 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,370 |
| Countries That End in U | 0 | - | 4.95 | 121,240 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,184 |
| Countries that End in O | 0 | - | 4.92 | 160,258 |
| Countries that End in R | 0 | - | 4.87 | 119,211 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,976 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,944 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,217 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,873 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,801 |
| Countries That End in Y | 0 | - | 4.91 | 186,108 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,520 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,321 |
| Countries that End in I | 0 | - | 4.94 | 135,350 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,685 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,087 |
| Countries That End in NIA | 0 | - | 4.92 | 110,094 |
| Countries That End in BIA | 0 | - | 4.93 | 149,630 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,704 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,808 |
| Countries That End in RIA | 0 | - | 4.93 | 127,087 |
