| Countries of the World Quiz | 0 | - | 5.00 | 47,259,414 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,148 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,563 |
| Top World Languages | 0 | - | 4.92 | 819,051 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,303 |
| Places in their Native Language #2 | 0 | - | 4.81 | 132,963 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,925 |
| World's Busiest Airports | 0 | - | 4.96 | 231,537 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,422 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,396 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,904 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,541 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,464 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,251 |
| Boundary Waters | 0 | - | 4.92 | 88,331 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,043 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,800 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,127 |
| World Currency Quiz | 0 | - | 4.91 | 301,357 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,887 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,746 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,041 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,600 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,357 |
| Landlocked Countries | 0 | - | 4.99 | 417,903 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,916 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,070 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,457 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,746 |
| Cities by Airports | 0 | - | 4.49 | 88,602 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,437 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,896 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,486 |
| Himalayan Countries | 0 | - | 4.94 | 136,986 |
| Andean Countries | 0 | - | 4.95 | 83,717 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,960 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,315 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,636 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,208 |
| Danube Countries | 0 | - | 4.97 | 71,551 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,390 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,962 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,450 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,507 |
| European Landlocked Countries | 0 | - | 4.99 | 146,554 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,975 |
| Countries with the Most Species | 0 | - | 4.99 | 102,683 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,109 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,383 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,241 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,903 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,289 |
| Countries in the Alps | 0 | - | 4.86 | 117,530 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,976 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,027 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,169 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,349 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,873 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,979 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,376 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,145 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,099 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,902 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,467 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,428 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,283 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,841 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,109 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,131 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,980 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,986 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,511 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,392 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,780 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,963 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,919 |
| Largest Countries By Category | 0 | - | 4.97 | 157,471 |
| Countries by Countries | 0 | - | 4.96 | 62,745 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,126 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,225 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,009 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,834 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,267 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,707 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,366 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,846 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,001 |
| Longest International Borders | 0 | - | 4.99 | 264,504 |
| Countries with Three Borders | 0 | - | 4.96 | 36,406 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,858 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,951 |
| Demonym of Every Country | 0 | - | 4.91 | 59,054 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,274 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,055 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,794 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,313 |
| Island Countries | 0 | - | 4.99 | 709,326 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,905 |
| Northernmost Countries | 0 | - | 4.99 | 360,005 |
| Countries of South America | 0 | - | 5.00 | 921,562 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,342 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,138 |
| "Land" Countries | 0 | - | 4.98 | 335,525 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,853 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,700 |
| Airline Logos | 0 | - | 4.45 | 140,431 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,310 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,672 |
| Countries with Megacities | 0 | - | 4.99 | 249,757 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,512 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,783 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,839 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,758 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,082 |
| Cities by Famous Street | 0 | - | 3.96 | 48,299 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,105 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,693 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,801 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,169 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,192 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,815 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,413 |
| Countries by Capital City | 0 | - | 5.00 | 67,740 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,878 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,372 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,866 |
| Moved Capital Cities | 0 | - | 4.96 | 73,973 |
| Countries by Official Language | 0 | - | 4.95 | 194,444 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,266 |
| Countries in their Native Language | 0 | - | 4.99 | 198,003 |
| Independence from Whom | 0 | - | 4.99 | 211,110 |
| Subdivisions by Country | 0 | - | 4.86 | 50,251 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,552 |
| Megadiverse Countries | 0 | - | 4.96 | 134,692 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,137 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,144 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,696 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,987 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,589 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,308 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,813 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,736 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,445 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,910 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,634 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,654 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,850 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,725 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,028 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,278 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,408 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,911 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,917 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,300 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,814 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,539 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,051 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,422 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,595 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,743 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,211 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,203 |
| Widest Countries East to West | 0 | - | 4.92 | 129,268 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,359 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,829 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,965 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,439 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,113 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,463 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,187 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,707 |
| Countries with Double Letters | 0 | - | 4.97 | 94,864 |
| Countries that End in N | 0 | - | 4.95 | 169,422 |
| Countries with Five Letters | 0 | - | 4.96 | 277,959 |
| Countries with Six Letters | 0 | - | 4.94 | 212,208 |
| Countries with W | 0 | - | 4.97 | 159,350 |
| Countries with Z | 0 | - | 4.98 | 289,557 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,554 |
| Countries That End in U | 0 | - | 4.95 | 120,329 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,569 |
| Countries that End in O | 0 | - | 4.92 | 159,131 |
| Countries that End in R | 0 | - | 4.87 | 118,670 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,459 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,131 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,991 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,987 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,584 |
| Countries That End in Y | 0 | - | 4.90 | 185,588 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,082 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,299 |
| Countries that End in I | 0 | - | 4.94 | 134,810 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,924 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,519 |
| Countries That End in NIA | 0 | - | 4.92 | 109,439 |
| Countries That End in BIA | 0 | - | 4.93 | 148,741 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,602 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,959 |
| Countries That End in RIA | 0 | - | 4.93 | 126,446 |
