| Countries of the World Quiz | 0 | - | 5.00 | 47,667,592 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,590 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,011 |
| Top World Languages | 0 | - | 4.92 | 825,957 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,724 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,682 |
| World's Busiest Airports | 0 | - | 4.96 | 235,631 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,008 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,325 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,679 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,170 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,349 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,846 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,472 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,702 |
| World Currency Quiz | 0 | - | 4.92 | 304,918 |
| Boundary Waters | 0 | - | 4.92 | 88,631 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,301 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,394 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,436 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,401 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,958 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,326 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,732 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,689 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,946 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,907 |
| Cities by Airports | 0 | - | 4.47 | 103,187 |
| Landlocked Countries | 0 | - | 4.99 | 423,051 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,766 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,574 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,591 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,777 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,927 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,032 |
| Himalayan Countries | 0 | - | 4.95 | 139,192 |
| Andean Countries | 0 | - | 4.93 | 84,882 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,099 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,238 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,676 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,994 |
| Danube Countries | 0 | - | 4.97 | 72,140 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,195 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,545 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,539 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,049 |
| European Landlocked Countries | 0 | - | 4.99 | 147,284 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,843 |
| Countries with the Most Species | 0 | - | 4.99 | 103,351 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,966 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,648 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,768 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,621 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,370 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,790 |
| Countries in the Alps | 0 | - | 4.87 | 118,365 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,185 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,773 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,293 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,759 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,721 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,643 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,819 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,249 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,956 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,723 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,595 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,330 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,569 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,637 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,170 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,404 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,779 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,256 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,523 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,436 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,314 |
| Largest Countries By Category | 0 | - | 4.97 | 158,405 |
| Countries by Countries | 0 | - | 4.96 | 63,361 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,795 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,211 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,807 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,897 |
| Demonyms Quiz | 0 | - | 4.15 | 185,381 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,538 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,282 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,375 |
| Longest International Borders | 0 | - | 4.99 | 265,396 |
| Countries with Three Borders | 0 | - | 4.96 | 36,657 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,192 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,303 |
| Demonym of Every Country | 0 | - | 4.91 | 60,943 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,558 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,321 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,859 |
| Island Countries | 0 | - | 4.99 | 711,435 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,218 |
| Northernmost Countries | 0 | - | 4.99 | 362,508 |
| Countries of South America | 0 | - | 5.00 | 928,854 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,786 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,687 |
| "Land" Countries | 0 | - | 4.98 | 337,639 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,038 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,714 |
| Airline Logos | 0 | - | 4.45 | 141,119 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,354 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,586 |
| All Country Flags of the World | 0 | - | 5.00 | 3,688,817 |
| Foods of the World by Description | 0 | - | 4.18 | 46,081 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,422 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,609 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,348 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,946 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,404 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,215 |
| Countries with Megacities | 0 | - | 4.99 | 265,337 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,042 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,644 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,285 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,716 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,386 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,159 |
| Cities by Famous Street | 0 | - | 3.96 | 48,354 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,160 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,775 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,738 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,682 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,855 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,716 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,571 |
| Countries by Capital City | 0 | - | 5.00 | 68,846 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,502 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,935 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,600 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,521 |
| Moved Capital Cities | 0 | - | 4.96 | 74,432 |
| Countries by Official Language | 0 | - | 4.95 | 195,477 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,679 |
| Countries in their Native Language | 0 | - | 4.99 | 199,250 |
| Independence from Whom | 0 | - | 4.99 | 212,342 |
| Subdivisions by Country | 0 | - | 4.87 | 50,485 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,916 |
| Megadiverse Countries | 0 | - | 4.96 | 135,097 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,284 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,417 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,295 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,142 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,274 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,661 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,619 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,418 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,710 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,183 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,912 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,954 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,271 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,015 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,428 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,550 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,546 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,459 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,316 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,414 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,122 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,587 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,015 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,127 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,401 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,497 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,653 |
| Widest Countries East to West | 0 | - | 4.92 | 129,755 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,480 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,515 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,378 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,845 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,703 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,978 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,413 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,822 |
| Airlines by Country | 0 | - | 4.52 | 135,612 |
| Countries with Double Letters | 0 | - | 4.96 | 96,487 |
| Countries that End in N | 0 | - | 4.95 | 171,378 |
| Countries with Five Letters | 0 | - | 4.96 | 282,929 |
| Countries with Six Letters | 0 | - | 4.94 | 213,817 |
| Countries with W | 0 | - | 4.96 | 160,512 |
| Countries with Z | 0 | - | 4.98 | 291,736 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,868 |
| Countries That End in U | 0 | - | 4.95 | 120,944 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,640 |
| Countries that End in O | 0 | - | 4.92 | 159,598 |
| Countries that End in R | 0 | - | 4.87 | 119,027 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,789 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,322 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,823 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,583 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,495 |
| Countries That End in Y | 0 | - | 4.91 | 185,945 |
