| Countries of the World Quiz | 0 | - | 5.00 | 47,488,589 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,391 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,483 |
| Top World Languages | 0 | - | 4.92 | 822,688 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,010 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,283 |
| World's Busiest Airports | 0 | - | 4.96 | 233,930 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,377 |
| Boundary Waters | 0 | - | 4.92 | 88,490 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,184 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,141 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,912 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,940 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,581 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,466 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,128 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,927 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,448 |
| World Currency Quiz | 0 | - | 4.92 | 303,334 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,004 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,149 |
| Landlocked Countries | 0 | - | 4.99 | 420,860 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,792 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,352 |
| Busiest Airports in the United States | 0 | - | 4.55 | 135,612 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,635 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,225 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,234 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,933 |
| Himalayan Countries | 0 | - | 4.95 | 138,238 |
| Andean Countries | 0 | - | 4.95 | 84,337 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,565 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,456 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,187 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,608 |
| Danube Countries | 0 | - | 4.97 | 71,875 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,847 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,276 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,066 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,520 |
| European Landlocked Countries | 0 | - | 4.99 | 147,008 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,430 |
| Countries with the Most Species | 0 | - | 4.99 | 103,131 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,579 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,525 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,670 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,465 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,142 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,542 |
| Countries in the Alps | 0 | - | 4.87 | 118,015 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,096 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,797 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,564 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,489 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,357 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,857 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,510 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,376 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,100 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,727 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,578 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,434 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,099 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,373 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,396 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,628 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,201 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,717 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,368 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,768 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,134 |
| Largest Countries By Category | 0 | - | 4.97 | 157,984 |
| Countries by Countries | 0 | - | 4.96 | 63,059 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,550 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,120 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,429 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,606 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,815 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,452 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,683 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,217 |
| Longest International Borders | 0 | - | 4.99 | 264,989 |
| Countries with Three Borders | 0 | - | 4.96 | 36,550 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,034 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,147 |
| Demonym of Every Country | 0 | - | 4.91 | 60,337 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,599 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,292 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,080 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,770,125 |
| Demonyms Quiz | 0 | - | 4.15 | 185,226 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,317 |
| Cities by Airports | 0 | - | 4.49 | 88,747 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,932 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,580 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,397 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,158 |
| Island Countries | 0 | - | 4.99 | 710,576 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,352 |
| Northernmost Countries | 0 | - | 4.99 | 361,409 |
| Countries of South America | 0 | - | 5.00 | 925,569 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,685 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,158 |
| "Land" Countries | 0 | - | 4.98 | 336,872 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,404 |
| Globe Grid | 0 | - | 4.32 | 32,002 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,834 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,582 |
| Countries with Megacities | 0 | - | 4.99 | 263,724 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,425 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,305 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,695 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,350 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,126 |
| Cities by Famous Street | 0 | - | 3.96 | 48,325 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,136 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,213 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,306 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,446 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,542 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,286 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,077 |
| Countries by Capital City | 0 | - | 5.00 | 68,355 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,214 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,686 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,247 |
| Moved Capital Cities | 0 | - | 4.96 | 74,237 |
| Countries by Official Language | 0 | - | 4.95 | 195,009 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,060 |
| Countries in their Native Language | 0 | - | 4.99 | 198,522 |
| Independence from Whom | 0 | - | 4.99 | 211,802 |
| Subdivisions by Country | 0 | - | 4.86 | 50,379 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,232 |
| Megadiverse Countries | 0 | - | 4.96 | 134,914 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,866 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,281 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,863 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,069 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,963 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,506 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,282 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,962 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,587 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,422 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,809 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,123 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,899 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,269 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,431 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,693 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,818 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,230 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,855 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,137 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,861 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,879 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,767 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,900 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,201 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,380 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,476 |
| Widest Countries East to West | 0 | - | 4.92 | 129,547 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,421 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,226 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,077 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,662 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,450 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,732 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,329 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,773 |
| Countries with Double Letters | 0 | - | 4.97 | 95,832 |
| Countries that End in N | 0 | - | 4.95 | 170,768 |
| Countries with Five Letters | 0 | - | 4.96 | 281,844 |
| Countries with Six Letters | 0 | - | 4.94 | 213,176 |
| Countries with W | 0 | - | 4.97 | 160,056 |
| Countries with Z | 0 | - | 4.98 | 291,036 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,404 |
| Countries That End in U | 0 | - | 4.95 | 120,690 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,187 |
| Countries that End in O | 0 | - | 4.92 | 159,402 |
| Countries that End in R | 0 | - | 4.87 | 118,873 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,647 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,789 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,467 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,314 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,059 |
| Countries That End in Y | 0 | - | 4.91 | 185,791 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,667 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,690 |
| Countries that End in I | 0 | - | 4.94 | 135,009 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,841 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,732 |
| Countries That End in NIA | 0 | - | 4.92 | 109,677 |
| Countries That End in BIA | 0 | - | 4.93 | 149,054 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,948 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,276 |
| Countries That End in RIA | 0 | - | 4.93 | 126,707 |
